1. chemistry

    Please help. Concentrated hydrochloric acid is a 38% w/w solution of HCL in water and has a density of 1.18g/ml. How many millilitres of concentrated hydrochloric acid are needed to prepare 500ml of a 1:200 w/v HCL solution? My answer is 2.12ml. I'm not

    asked by Peter on May 7, 2012
  2. science

    Please help. Concentrated hydrochloric acid is a 38% w/w solution of HCL in water and has a density of 1.18g/ml. How many millilitres of concentrated hydrochloric acid are needed to prepare 500ml of a 1:200 w/v HCL solution? My answer is 2.12ml. I'm not

    asked by Peter on May 9, 2012
  3. Pharmacy math

    concentrated hydrochloric acid is a 38% solution of hcl in water and has a density of 1.18g/ml. How many milliliters of concentrated hydrochloric acid are needed to prepare 500ml of a 1:200 hcl solution? Who helps me to solve it for me. I think 2.12 ml is

    asked by Fai on July 24, 2012
  4. Chemistry

    A solution is prepared by adding 47.3 mL of concentrated hydrochloric acid and 16.3 mL of concentrated nitric acid to 300 mL of water. More water is added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution. [Hint:

    asked by Andrew on May 21, 2012
  5. Chemistry

    A solution is prepared by adding 50.3 mL of concentrated hydrochloric acid and 16.6 mL of concentrated nitric acid to 300 mL of water. More water is added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution. [Hint:

    asked by Andre on February 28, 2012
  6. chemistry

    Concentrated hydrochloric acid has 37.5% of HCl in mass and density of 1.2 g/cm3. What volume (in mL) of concentrated hydrochloric acid should be used to prepare 7 L of a 0.8 mol/L HCl (aq) concentration solution?

    asked by damon on May 16, 2019
  7. chemistry

    Concentrated hydrochloric acid is a 38% solution of hcl in water and has a density of 1.18g/ml. How many milliliters of concentrated hydrochloric acid are needed to prepare 500ml of a 1:200 hcl solution? My calculation 500ml x 1:200 =2.5 1:200 means

    asked by Fai on August 9, 2012
  8. Chemistry

    Concentrated hydrochloric acid is a 38% solution of HCL in water and has a density of 1.18g/ml. How many milliliters of concentrated hydrochloric acid are needed to prepare 500ml of 1:200 HCL solution? The answer is not 2.12ml My calculation: 1.18g/ml x

    asked by Fai on July 29, 2012
  9. Chemistry

    How much concentrated solution would you take to prepare 2.80L of 0.475M HCl by mixing with water? Hydrochloric acid is usually purchased in a concentrated form that is 37.0% HCl by mass and has a density of 1.20g/mL.

    asked by M J on February 21, 2013
  10. Chemistry

    A solution of is prepared by adding 50.3ml of concentrated hydrochloric acid and 16.6ml of concentrated nitric acid to 300ml of water. More water is added until the final volume is 1.00L. Calculate (H+) (OH) and the PH for this solution. Hint concentrated

    asked by Fai on August 11, 2012
  11. Chemistry

    Concentrated hydrochloric acid is 38% HCl by weight and has a density of 1.19 g/mL. A solution is prepared by measuring 70 mL of the concentrated HCl, adding it to water, and diluting to 0.500 L. Calculate the approximate molarity of this solution from the

    asked by JUNDY on March 15, 2015
  12. chemistry

    commercially available concentrated hydrochloric acid is 37.0% w/w HCl. Its density is 1.18 g/mL. Using this information calculate (a) the molarity of concentrated HCl, and (b) the mass and volume (in mL) of solution containing 0.315 moles of HCl.

    asked by Anonymous on April 18, 2016
  13. chemistry

    commercially available concentrated Hydrochloric acid is 37.0% w/w Hcl.its density is 1.18g/ml.using this information calculate (a)the molarity of concentrated Hcl,and (b)the mass and volume (in ml)of solution containing 0.315 mol of Hcl?

    asked by twiza on January 30, 2017
  14. chemistry

    Concentrated hydrochloric acid is 38% , by mass, HCl in water. How many grams of HCl are there in 25.0 g concentrated hydrochloric acid?

    asked by Anonymous on May 6, 2011
  15. Chemistry

    Concentrated hydrochloric acid is a 38% solution of hcl in water and has a density of 1.18g/ml. How many milliliters of concentrated hydrochloric acid are needed to prepare 500ml of 1:200 hcl solution. My calculation 1.18g/ml x 1000ml x 0.38/36.46 = 12.3M

    asked by Fai on August 19, 2012
  16. Pharmacy Math

    A prescription calls for 250ml of a 0.1N hydrochloric acid HCL solution. How many ml of concentrated hydrochloric acid are needed to make this solution? The specific gravity hydrochloric acid is 1.18 the molecular weight is 36.46 and the concentration is

    asked by Fai on July 29, 2012
  17. chemistry-0.1NHCl

    Hi, A bottle of concentrated Hydrochloric acid (HCl) has the following information stated on it: - Hydrochloric acid 37% 1L ~ 1190kg How do I prepare 0.1N HCl from this concentrated HCl?

    asked by jennie on December 18, 2008
  18. Chemistry

    You can purchase hydrochloric acid in a concentrated form that is 37.0 hcl by mass and has a density of 1.20g/mL. Describe how exactly you would prepare 2.85 L of 0.500 M HCL from the concentrated solution.

    asked by Rebecca on May 7, 2014
  19. chemistry

    Hydrochloric acid is usually purchased in concentrated form with a 37.0% HCL concentration by mass and a density of 1.20g/mL. How much of the concentrated stock solution in milliliters should you use to make 2.5L of 0.500M HCL

    asked by Monique on November 6, 2011
  20. chem

    A sewage cleanser contains concentrated hydrochloric acid (HCl) as the active ingredient. A titration experiment was carried out to determine the concentration of hydrochloric acid in the domestic cleanser. 25.0 mL of the cleanser were diluted to 250.0 mL

    asked by raiser on October 13, 2016
  21. chemistry

    Concentrated hydrochloric acid is a 38% solution of hcl in water and has a density of 1.18g/ml. How many milliliters of concentrated hydrochloric acid are needed to prepare 500ml of a 1:200 hcl solution. My own three calculation 1.18g/ml x 1000ml x0.38 /

    asked by Fai on September 20, 2012
  22. Chem

    The mass of a beaker is 5.333g. After 5.00 mL of a concentrated hydrochloric acid solution is pipetted into the beaker, the combined mass of the beaker and the hydrochloric acid sample is 11.229 g. From the data, what is the measured density of the

    asked by Amy on September 2, 2015
  23. chemistry

    Solution A:50cm^3 of 1.0mol dm^-3 hydrochloric acid,HCl Solution B:10cm^3 of 2.0mol dm^-3 hydrochloric acid,HCl (a)Calculate the number of moles of hydrochloric acid,HCL in each solution. (b)Solution A and B are mixed together. (i)Calculate the number of

    asked by mandy on May 7, 2014
  24. Chemistry

    Which of the following is an example of a physical change ? A) Zinc metal is added to hydrochloric acid and a gas is released. B) Concentrated hydrochloric acid is diluted with water. C) Acid rain causes the decomposition of a marble statue. D)

    asked by Anonymous on December 30, 2010
  25. Chemistry

    Concentrated hydrochloric acid is 12 M. What is the molarity of an HCl solution prepared by diluting 10.0mL of concentrated acid to a total volume of 250.0mL?

    asked by Sam on March 8, 2016
  26. chemistry2

    Hydrochloric acid is sold as a concentrated acqueous solution. If the molarity of HCl is 12.0 and its density is 1.18 g/ml. calculate A) MOLALITY B)THE % BY MASS OF HCl in the solution

    asked by Daniel Forero on May 11, 2011
  27. chemistry urg!

    Hydrochloric acid is sold as a concentrated acqueous solution. If the molarity of HCl is 12.0 and its density is 1.18 g/ml. calculate A) MOLALITY B)THE % BY MASS OF HCl in the solution

    asked by Daniel Forero on May 11, 2011
  28. Chemistry

    You are using concentrated hydrochloric acid solution (12.0 M)to make 445.0 ml of a 5.85 M solution. Calculate the number of milliliters of concentrated HCl required to make the solution.

    asked by Tanya on March 7, 2013
  29. Chemistry

    What volume of concentrated hydrochloric acid (12.0 M HCl) is required to make 2.0 liters of a 3.0 M HCl solution?

    asked by Wilson on March 25, 2016
  30. chemistry

    A domestic cleanser contains concentrated HCl as the active ingredient. A titration experiment was carried out to determine the concentration of HCl in the domestic cleanser. 20.0 ml of the cleanser were diluted to 250.0 ml with distilled water. 25.0 ml of

    asked by henry39 on December 24, 2016
  31. chemistry HELP

    laboratoories order hydrochloric acid as a concentrated solution (e.g. 36% W/V). what initial volume of concentrated laboratory hydrochloric acid should be diluted to prepare 5.00L of a 0.12 mol/L solution for an experiment? plz can someone show me how to

    asked by TARA on December 9, 2010
  32. chemistry

    1.) How much ethanol, C2H5OH, in liters (d=0.789g/ml) must be dissolved in water to produce 190.5 of 1.65 M C2H5OH? (Molarity problem.) 2.) How much concentrated hydrochloric acid solution (36.0% HCl by mass, d = 1.18g/mL}), in milliliters, is required to

    asked by joe on February 12, 2010
  33. Chemisrty

    You wish to make a 0.195 M hydrochloric acid solution from a stock solution of 6.00 M hydrochloric acid. How much concentrated acid must you add to obtain a total volume of 50.0 mL of the dilute solution?

    asked by Letishia on November 2, 2014
  34. Chemistry

    Calculate the pH of concentrated hydrochloric acid if this solution is 24.8 % HCl by weight and has a density of 1.16 g/mL.

    asked by A.A on November 1, 2008
  35. college

    Calculate the pH of concentrated hydrochloric acid if this solution is 24.8 % HCl by weight and has a density of 1.16 g/mL. a. ) -0.77 b. ) -0.83 c. ) -0.90 d. ) -0.98 e. ) -1.01 i got c

    asked by A.A on November 1, 2008
  36. Chem

    How many milliliters of concentrated hydrochloric acid solution (36.0% HCl by mass, density = 1.18 g/mL) are required to produce 20.0 L of a solution that has a pH of 2.13?

    asked by Anonymous on February 28, 2011
  37. Chemistry

    Muriatic acid is the common name of industrial-grade hydrochloric acid (HCl). One of its uses is to clean or etch concrete in preparation for sealing or painting. It is typically sold in 5.00 gallon buckets, with a concentration of 11.7 M. a.What volume of

    asked by Amber on October 5, 2012
  38. Biology

    how many mL of concentrated (15 M) hydrochloric acid (HCL) are required to prepare 500 mL of 6 M hydrochloric acid?

    asked by Neika on October 4, 2011
  39. Chemistry

    Concentrated hydrochloric acid has a purity of 36.0% by mass. The density of the concentrated of the acid is 1.19 g/mL.Determine the molar concentration of this acid..please show me the solution...

    asked by Syam on July 5, 2014
  40. science

    how to prepare 0.100M HCL solution when laboratory grade concentrated by hydrochloric acid has concentration of 37%.what volume of acid is necessary to prepare 500mL of 0.100M of HCL

    asked by Qyla on September 21, 2012
  41. chemistry/toxicology/instrumental analysis

    A standard curve was produced using absorbance values of prepared standards obtained by UV spectrophotometry. The standards were made using concentrated hydrochloric acid as opposed to the 1N HCl that the lab manual says should be used. Because of this my

    asked by Anonymous on October 13, 2014
  42. Chemistry

    Hi, I'm a little stuck on this problem: Find the pH of the Hydrochloric acid solution when 5.0 mL of concentrated HCl, with a specific gravity of 1.18 and has 37% (w/w) purity is diluted to 2.0L

    asked by T on November 11, 2013
  43. Chemistry

    a domestic cleaner contains concentrated hydrochloric acid as the active ingredient. a titration experiment was carried out to determine the concentration of hydrochloric acid in the domestic cleanser. 20.0mL of the cleanser were diluted to 250.0mL with

    asked by Darth Chan on December 26, 2016
  44. Chemistry

    Concentrated hydrochloric acid has a concentration of 12.1 moles per liter. how many milliliters of the concentrated acid should be used to create 3.25L of a 0.100M solution?

    asked by Lindsey on May 20, 2012
  45. chemistry

    2. A researcher is often required to prepare solutions in the lab. Typically, a lab provides a concentrated solution. This solution must be diluted to the proper concentration. Hydrochloric acid is a common stock solution that is typically purchased at

    asked by TJ on September 10, 2014
  46. chemistry

    How much concentrated hydrochloric acid solution 36% HCL by mass d=1.18g/ml in milliliters is required to produce 11.0L of 0.296 M HCL? My calculation 1.18 x 1000ml x 0.36/36.5 = 11.6M 11.6M = 11000ml x 0.296 11.6m = 3256ml x= 3256ml/11.6 x= 280ml. I am

    asked by Fai on July 29, 2012
  47. stomach

    Under certain abnormal conditions, the stomach does not secrete hydrochloric acid. Identify three functions that hydrochloric acid has in the digestive process and describe how the failure to secrete hydrochloric acid will affect these processes.

    asked by hen on August 8, 2006
  48. Chemistry 12

    9. According to Arrhenius, which of the following groups contain: i)only acids ii)only bases a. NaOH, H2CO3, KCl b. MgCl2, H2SO4, HCl c. HNO3, HCl, H3PO4 d. Mg(OH)2, AgBr, HF e. KOH, NH4OH, Ba(OH)2 10. Enough water is added to 100 g of sodium hydroxide in

    asked by Kavitha on May 22, 2011
  49. chemistry

    Concentrated hydrochloric acid has specific gravity 1.18 and 36% hcl weight. What volume of concentrated hcl must be diluted to give 50gm of 10 percent My calculation 50gm x 10% = 5gm 5gm x 36.46 =182.3/ 0.36 = 506 / 1.18 = 429 ml I am not sure answer. Who

    asked by Fai on August 11, 2012
  50. chem

    If 0.752 g of pure sodium carbonate was dissolved in water and the solution titrated with 25.90 mL of hydrochloric acid to a methyl orange end point, calculate the molarity of the hydrochloric acid solution. (Hint: This process takes the carbonate ion to

    asked by Beth on April 3, 2011
  51. chemistry

    Calculate the PH concentrated hydrochloric acid if this solution is 24.8% HCL by weight and has a density of 1.16g/ml. I do not understand the right answer 0.90PH Why? Please help My calculation 1.18g/ml x 1000ml x 0.248/36.5 = 7.8M I cannot do?

    asked by Fai on July 29, 2012
  52. Chemistry

    If you had one gallon of concentrated hydrochloric acid (12 N) and added water to make dilute hydrochloric acid (6 N), how much dilute hydrochloric acid would you have?

    asked by Jeff on October 6, 2010
  53. Chem

    The mass of a beaker is 5.333g. After 5.00 mL of a concentrated hydrochloric acid solution is pipetted into the beaker, the combined mass of the beaker and the hydrochloric acid sample is 11.229 g. From the data, what is the measured density of the

    asked by Amy on September 1, 2015
  54. Chemistry

    How much of each of the following substances would you add to water to prepare 1.90 L of a 0.15 M solution? (a) H2SO4 from "concentrated" (18 M) sulfuric acid mL (b) HCl from "concentrated" (12 M) reagent mL (c) NiCl2 from the salt NiCl2·6 H2O g (d) HNO3

    asked by Anonymous on January 28, 2015
  55. dilution

    Many labs keep bottles of 3.0M solutions of the common acid on hand. Given the following molarities of the concentrated acids, determine how many mL of each concentrated acid would be required to prepare 225mL of a 3.00M solution of the acid Acid: HCl

    asked by Chopsticks on April 30, 2009
  56. Chemistry

    Assignment  Calculate the pH, pOH, [H+], and [OH] for each of the following solutions. Show all work. (10 Points) Solution Composition of Starting Materials 1 0.10 M acetic acid 2. 5 mL 0.10 M acetic acid + 5 mL wa 3 1 mL 0.10 M acetic acid + 99 mL

    asked by Brian on October 11, 2010
  57. chemistry

    A student prepares a solution of hydrochloric acid that is approximately 0.1 M and wanted to determine its precise concentration. A 25.00 mL portion of the HCl solution is transferred to a flask, and after a few drops of indicator are added, the HCl

    asked by walter on June 14, 2015
  58. chemistry

    An aqueous solution is 40.0% by mass hydrochloric acid, HCl, and has a density of 1.20 g/mL. The molality of hydrochloric acid in the solution is m.

    asked by yhea on August 21, 2014
  59. Chemistry

    Calculate the molarity of a solution made by adding 33.4 mL of concentrated nitric acid (70.4 % by mass, density 1.42 g/mL) to some water in a volumetric flask, then adding water to the mark to make exactly 2000 mL of solution. (It is important to add

    asked by JO on June 23, 2015
  60. Chemistry

    If 0.176 g of pure sodium hydroxide was dissolved in water and the solution titrated with 5.05 mL of hydrochloric acid solution to a phenolphthalein end point, calculate each of the following of the hydrochloric acid solution. (a) the molarity = .871 (b)

    asked by Kyle on May 6, 2015
  61. chemistry

    Concentrated hydrochloric acid has specific gravity of 1.18 and 36% hcl weight. What volume of concentrated hcl must be diluted to give 50 gm of 10 percent. My calculation 50gm x 0.1 = 5gm 5gm x 36.5 = 182.5 182.5 / 0.36 = 506.9 506.9 / 1.18 = 430 ml This

    asked by Fai on August 9, 2012
  62. physical science chemistry

    If 25 cm^3 of the potassium hydroxide (KOH) solution was used to neutralise 35cm^3 hydrochloric (HCl)solution, determine the concentration of the hydrochloric acid solution. Thanks

    asked by jonathan on June 17, 2015
  63. chemistry

    "Stomach acid" is hydrochloric acid. A sample of gastric juice having a volume of 6.68 mL required 13.90 mL of 0.0161 M KOH solution for neutralization in a titration. What was the molar concentration of HCl in this fluid? C(HCl) = If we assume a density

    asked by walter on June 14, 2015
  64. Chem

    The mass of a beaker is 5.333g. After 5.00 mL of a concentrated hydrochloric acid solution is pipetted into the beaker, the combined mass of the beaker and the hydrochloric acid sample is 11.229 g. From the data, what is the measured density of the

    asked by Amy on September 1, 2015
  65. chemistry

    0.60 g of hydrogen chloride (HCl) is dissolved in water to make 6.5 L of solution. What is the pH of the resulting hydrochloric acid solution?

    asked by Mel on March 31, 2011
  66. Chemistry

    0.15g of hydrogen chloride HCl is dissolved in water to make 8.0L of solution. What is the pH of the resulting hydrochloric acid solution?

    asked by Jonah on March 1, 2013
  67. CHEMISTRY

    0.15g of hydrogen chloride (HCl) is dissolved in water to make 6.5L of solution. What is the pH of the resulting hydrochloric acid solution?

    asked by Anonymous on February 17, 2014
  68. Chemistry

    A solution of hydrochloric acid (HCl) contains 22.5% hydrochloric by mass. What is the molality of this solution I'm not sure how to start this problem...

    asked by Maddie on March 14, 2013
  69. AP Chemistry

    A mixture of aluminum and zinc metal is used in 2 experiments described below: A- A 1.7 gram sample of the mixture is reacted with excess hydrochloric acid and the resulting hydrogen gas is collected over water. The reaction takes place at 750 mm Hg

    asked by Kate on April 3, 2011
  70. chemistry

    25.75 mL of a hydrochloric acid solution reacts completely with a solid sample of magnesium carbonate producing 170.8 mL of CO2 which is collected over water at 24.00°C and 731.0 torr total pressure. The vapor pressure of water at 24.00°C is 22.4 torr. 2

    asked by Anonymous on December 10, 2013
  71. Chemistry

    A student wants to prepare 0.5M HCl. The label of a commercial hydrochloric acid shows that S.G.=1.18 and concentration of HCl is 37%. Calculate the volume of commercial hydrochloric acid dose the chemist requires to make up 1.5L of the dilute acid.

    asked by Sheryn on October 28, 2017
  72. Chemistry

    1.What mass of NaOH(s) must be added to 300 mL of HCl 0.25 M in order to completely neutralize this acid? 2.During a lab, you mix 2 solutions: a 100 ml solution containing 0.40 g of NaOH and a 100 mL solution containing 0.73 g of HCl. What is the

    asked by Talulla on May 9, 2013
  73. chemistry

    Calculate the pH of concentrated hydrochloric acid if this solution is 24.8 % HCl by weight and has a density of 1.16 g/mL. a. ) -0.77 b. ) -0.83 c. ) -0.90 d. ) -0.98 e. ) -1.01 i got c) by converting density into concentration (mol/L) and then,

    asked by Anonymous on November 2, 2008
  74. Aqueous Stoichiometry

    Can someone give me some directions as to how to reach the answer for this problem: A 0.608g sample of fertilizer contained nitrogen as ammonium sulfate, (NH4)2 SO4(s)+2NaOH(aq)-->Na2SO4(aq)+ 2H2O(l)+2NH3(g) The ammonia was collected in 46.3 mL of 0.213 M

    asked by Chemically Confused on June 11, 2009
  75. chemistry

    Can someone give me some directions as to how to reach the answer for this problem: A 0.608g sample of fertilizer contained nitrogen as ammonium sulfate, (NH4)2 SO4(s)+2NaOH(aq)-->Na2SO4(aq)+ 2H2O(l)+2NH3(g) The ammonia was collected in 46.3 mL of 0.213 M

    asked by Chemically Confused on June 11, 2009
  76. Chemistry

    Na₂CO₃ (s) + 2HCL (ag) → 2NaCl (ag) + CO₂ + H₂O (l) If 4.25g of sodium carbonate is reacted completely with excess hydrochloric acid as 3M HCl, how many mL of HCl would be consumed? Note: Assume 3M HCl contains 3.00 moles of HCl per liter of

    asked by Shelby on April 30, 2012
  77. Chemistry

    You isolate an acidic compound in an experiment by first separating it from the organic layer. Then you have a solution containing a salt of an acid. You acidify it using concentrated HCl. A precipitation begins to form while the solution is still basic..

    asked by Rachel on October 23, 2011
  78. Algebra 1

    1. A chemistry student needs to make a solution that is 70% water and 30% hydrochloric acid. The student's current mixture of 300 ml is 60% water and 40% hydrochloric acid. How much water must the student add to achieve his desired solution? A: ? 2. 5. 2/t

    asked by Victoria on June 3, 2014
  79. chemistry

    1 In the reaction of potassium permanganate and iron salt in acidic medium, how many moles of manganese reacted with iron? 2 moles of Mn with 1 mole of Fe 1 mole of Mn with 5 moles of Fe 1 mole of Mn reacts with 1 mole of Fe 5 moles of Mn reacts with 1

    asked by mikel on August 24, 2015
  80. chemistry

    HCL acid is available as a stock solution with a concentration of 10 mol/L. If you need (9.0*10^-1) L of (2.50*10^0) mol/L hydrochloric acid, approximately how much distilled water will you need to make the dilution?

    asked by Han on April 20, 2014
  81. chemistry

    340. mL of hydrochloric acid (HCl) acid is exactly neutralized with 500. mL 0.700 M NaOH solution. What is the concentration of the acid solution?

    asked by Anonymous on June 1, 2014
  82. chemistry

    HCL acid is available as a stock solution with a concentration of 10 mol/L. If you need (2.100*10^0) L of (2.3*10^0) mol/L hydrochloric acid, approximately how much distilled water will you need to make the dilution?

    asked by Han on April 20, 2014
  83. chemistry

    1 In the reaction of potassium permanganate and iron salt in acidic medium, how many moles of manganese reacted with iron? 2 moles of Mn with 1 mole of Fe 1 mole of Mn with 5 moles of Fe 1 mole of Mn reacts with 1 mole of Fe 5 moles of Mn reacts with 1

    asked by onyi on September 16, 2015
  84. chemistry

    The pKa for hydrochloric acid is −6.0. What is the concentration of HCl(aq) we would expect to find in a 1 M solution of hydrochloric acid? What pH would we expect? how do you solve this problem?

    asked by Jin on July 6, 2010
  85. chemistry

    describe how you can prepare 500cm of0.1m of standard hydrochloric acid from commercial concentrated HCL of density 1.18g/cm and percentage by 37%

    asked by Anonymous on March 13, 2015
  86. chemistry

    Calculate the pH of a [Acid] M aqueous solution of each of the hydrochloric and acetic acids: Acid [Acid] pH HCl 0.10 HC2H3O2 0.10 I know that HCl is just -log(0.10) which is 1, but can't get the pH of HC2H3O2.

    asked by Renee on May 4, 2008
  87. CHEMISTRY

    In a study of the reaction of magnesium with hydrochloric acid, two experiments were carried out. Each uses 1 g of magnesium ribbon, and 50 mL of hydrochloric acid was added to each reaction flask. One of the hydrochloric acid solutions added was more

    asked by Anonymous on November 17, 2013
  88. Chem-Stoich

    A 1.605g sample of dry calcium carbonate and calcium chloride mixture was dissolved in 35.00mL of 1.000mol-dm-3 hydrochloric acid solution. The only portion of the mixture that reacts with the hydrochloric acid solution is the calcium carbonate. What was

    asked by :) on January 7, 2015
  89. Chemistry

    A 19.9mL volume of a hydrochloric acid solution reacts completely with a solid sample of magnesium carbonate, producing 183mL of CO2 that is collected over water at 24.0 degrees C and 738 torr total pressure. The vapor pressure for water at 24.0 degrees C

    asked by Michelle on April 18, 2013
  90. chemistry

    Hydrochloric acid solution reacts with zinc according to the following equation: 2H3O + Zn -> Zn^2+ + H2 +2H2O 100ml of hydrochloric acid solution Ca=0.5mol/l must be prepared from C=5mol/l hydrochloric solution. 1) Specify the glassware needed for this

    asked by angy on December 11, 2016
  91. chemistry

    how much concentrated 12 M hydrochloric acid is needed to prepare 100 mL of a 2.0 M solution?

    asked by dellanie on March 28, 2012
  92. chemistry

    How much concentrated 12 M hydrochloric acid is needed to prepare 100.0 mL of a 2.0 M solution?

    asked by {RayRay} NEED HELP PLZ on May 11, 2010
  93. Chemistry

    Calculate the molarity of a solution made by adding 28.2 mL of concentrated ammonia (28.0 % by mass, density 0.880 g/mL) to some water in a volumetric flask, then adding water to the mark to make exactly 500 mL of solution. (It is important to add

    asked by Sarah on October 7, 2013
  94. chemistry

    When 5.00 g of barium hydroxide are added to 250.0 mL of 0.250 hydrochloric acid in a calorimeter, the temperature off the solution increases from 25.0 C to 28.0 C. Calculate the enthalpy ( in kJ per mole of water) given the density of the hydrochloric

    asked by Jen on June 1, 2013
  95. Chemistry Balancing Equations

    Can you please tell me if these are correct? 1. Sodium Hydrogen Sulfite reacts with hydrochloric acid to produce sulfur dioxide gas, water and sodium chloride NaHSO3 + HCl -----> SO2 + H2O + NaCl 2. Sodium nitrate reacts with hydrochloric acid to produce

    asked by Anonymous on March 14, 2011
  96. Chemistry

    Concentrated HCl is 12.0M(mol/L) and you want to make a liter of 1.00 M HCl. What volume would you need of this concentrated solution so you would have one mole of HCl?

    asked by Teresa Johnson on May 15, 2017
  97. CHEMISTRY

    You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l. 2. You have a sample which consists of 428g sodium

    asked by David on January 10, 2017
  98. CHEMISTRY URGENT

    1. You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l. 2. You have a sample which consists of 428g sodium

    asked by Anonymous on January 9, 2017
  99. Chemistry

    1. You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l. 2. You have a sample which consists of 428g sodium

    asked by David on January 10, 2017
  100. Chemistry

    Need Help!! Describe how to make 2.5L of 0.1M HCL solution from 12M HCL concentrated solution and water. I got help earlier but still could not figure out the calculations. Please help, it has been a while since i took chemistry. Thank you soo much

    asked by debbie on August 29, 2012

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