1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  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 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
  10. chemistry

    concentrated sulfuric acid is typically 18.1 M H2 SO4. Calculate the volume in mL of concentrated sulfuric acid needed to prepare 125 mL of a 0.100 M H2SO 4 solution

    asked by Rachael on April 23, 2013
  11. 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
  12. 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
  13. 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
  14. 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
  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 a 1:200 hcl solution. My own three calculation 1.18g/ml x 1000ml x0.38 /

    asked by Fai on September 20, 2012
  16. chemistry

    How much quantity is needed to prepare 250ml of 0.1M Hydrochloric Acid Solution from commercially available 35%Hydrochloric Acid.(density=1.16)?

    asked by Mosharrof on January 28, 2019
  17. 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
  18. 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
  19. 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
  20. 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
  21. chemistry

    calculate the volume of 17 M concentrated acetic acid solution that is needed to prepare 100 cubic centimeter of 1 M acetic acid?

    asked by mylene on September 20, 2011
  22. chemistry

    calculate the volume of 17 M concentrated acetic acid solution that is needed to prepare 100 cubic centimeter of 1 M acetic acid?

    asked by mylene on September 20, 2011
  23. 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
  24. 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
  25. chemistry

    calculate the volume of 4.0 M hydrochloric acid needed to make 100.0 mL of 0.10 M hydrochloric acid.

    asked by modupe on February 21, 2017
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. Chemistry

    Metals above hydrogen in the reactivity series react with dilute hydrochloric acid or dilute sulphuric acid to give metal chloride + hydrogen. 1)Is it correct to say that we use dilute acid,not concentrated acid because the reaction can take place with

    asked by candy on January 25, 2009
  37. Chemistry!!

    A chemist wants to prepare a stock solution of H2SO4 so that a sample of 20.00mL will produce a solution with a concentration of .50 M when added to 100.0mL of water. A)what should the molarity of the stock solution be? B)If the chemist wants to prepare

    asked by Anonymous on April 22, 2013
  38. 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
  39. 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
  40. Chemistry-please help

    Please show me the calculation steps. How do I prepare 10%w/w Hydrochloric acid from 37%w/w Hydrochloric acid? The density of 37%w/w HCl is 1.19g/ml. Thank you.

    asked by anne on January 19, 2012
  41. chemistry

    how to prepare and calculate 10%,20% and 30% of phosphoric acid from the concentrated? Meaning that if 10% = 10%phosporic acid+90% of water. let say i want to prepare in 250ml volume.

    asked by lala on January 29, 2013
  42. 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
  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

    100.0cm3 of 2.0mol dm-3 hydrochloric acid is mixed with 2.5g of magnesium oxide powder. The mixture is stirred until no further change occurs. The resulting solution still contains excess hydrochloric acid. Calculate the volume of 1.5mol dm -3 sodium

    asked by Angeles on August 27, 2017
  45. 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
  46. 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
  47. science

    Suppose you need 2.0 L of 6.0 M sulphuric acid, and you have a bottle of concentrated acid of 18.0 M sulphuric acid. a). How much of this would be needed to a 2 L, 6.0 sulphuric acid solution? a). Describe how you would prepare this solution.

    asked by Elijah on May 17, 2016
  48. Chemistry -pls help urgent

    1) How do I prepare 2M nitric acid from 65% concentrated nitric acid? 2) How do I prepare 17% ammonia from 25% concentrated ammonia? Please show calculation steps. Thanks.

    asked by candy on October 12, 2010
  49. chemistry

    (iii) If the chemist wants to prepare 5.00 litres of the stock solution from concentrated H2SO4 , which is 18.0M, what volume of concentrated acid should be used?

    asked by clem on December 16, 2014
  50. Chemistry

    how to prepare and calculate 10%,20% and 30% of phosphoric acid from the concentrated? Meaning that if 10% = 10%phosporic acid+90% of water. let say i want to prepare in volume of 250ml. given, Formula: H3PO4 Melting point: 42.35 °C Density: 1.88 g/cm³

    asked by Merlina on January 29, 2013
  51. Math

    Alyssa is a chemist with Gemco Pharmaceutical Company. She needs to prepare 12 ounces of 9% hydrochloric acid solution. The only solution she currently has available are 4% and 12% hydrocholoric acid. How much should she use of each solution to obtain the

    asked by John on March 9, 2011
  52. MATH

    Jenny is running an experiment for organic chemistry class. She needs exactly 100 ml of 70% hydrochloric acid, but the lab only has 90% and 40% solutions. How much of each solutions does she need to mix in order to obtain 100 ml of 70% hydrochloric acid

    asked by Sara on April 5, 2017
  53. 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
  54. Chemistry

    What volume of concentrated sulfuric acid (20% weight/weight, density = 1.14) is needed to prepare 1 L of a 0.5 N solution of sulfuric acid?

    asked by Caroline on February 11, 2018
  55. chemistry

    Concentrated acetic acid, HC2H3O2 is 17.4 M. How many mL of concentrated acetic acid do you need to prepare 125 mL of a 0.150 M solution of acetic acid?

    asked by Anonymous on March 5, 2012
  56. chemistry

    How many milliliters of 3.0 M hydrochloric acid are i required to prepare 500 milliliter of 1.0 M Hydrochloric solution

    asked by Dylan on March 15, 2011
  57. 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
  58. 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
  59. Chemistryyy

    a) A standard solution of 0.243 M NaOH was used to determine the concentration of a hydrochloric acid solution. If 46.33 mL of NaOH is needed to neutralize 10.00 mL of the acid, what is the molar concentration of the acid? b) A 0.150 M sodium chloride

    asked by Xaxus on September 12, 2014
  60. 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
  61. chemistry

    How many milliliters of a 3.00 M solution of hydrochloric acid are needed to completely react with 25.0 g of zinc sulfide according to the chemical reaction shown below? ZnS(s) + 2HCl(aq) ? ZnCl2(aq) + H2S(l) (Answer to three significant digits.) _____ mL

    asked by joe walker on December 28, 2011
  62. chemistry

    Commercially available concentrated sulfuric acid is 18.0 M H2SO4. Calculate the volume (in mL) of concentrated sulfuric acid required to prepare 1.60 L of 0.320 M H2SO4 solution.

    asked by Jen on September 21, 2010
  63. 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
  64. 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
  65. 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
  66. chemistry

    how-do-i-make-hydrochloric-acid-more-concentrated

    asked by joy on May 11, 2012
  67. Chemistry

    How to prepare 250ml of 0.2 M hydrochloric acid from 2.5 M hydrochloric acid.

    asked by Allison on March 10, 2015
  68. Chemistry

    14.6 mL of hydrochloric acid is completely neutralized by 25.0 mL of 1.40 M sodium hydroxide, what was the hydrochloric acid mass percent (m/m) before the titration? (Density of hydrochloric acid is 1.02 g/cm3)

    asked by Laura on December 12, 2014
  69. chemistry

    How do I prepare 2 L 0.1 M Hydrochloric acid from 6 M HCl ? Also how do I prepare .05 M NaOH solution from pellets? Thanks

    asked by rosie on May 4, 2011
  70. chemistry

    what are the products of a concentrated hydrochloric acid if inert electrodes are used

    asked by Anonymous on June 1, 2016
  71. 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
  72. chemistry

    What is formed when zinc carbonate reacts with concentrated hydrochloric acid?

    asked by hao on November 14, 2013
  73. 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
  74. 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
  75. 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
  76. 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
  77. Chemistry

    At equal concentration which concentrated acid is the most corrosive out of hydrochloric, sulphuric and nitric.

    asked by Mohammedabbas on July 9, 2009
  78. 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
  79. 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
  80. 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
  81. 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
  82. Chemistry

    Q1. A 0.5 g mixture of Cu2O and CuO contain 0.425 g Cu. What is the mass of CuO in the mixture? Q2. A chemist wants to prepare 0.5 M HCl. The label of a commercial hydrochloric acid shows that S.G. =1.18 and concentration of HCl was 37%. Calculate the

    asked by Adem Rutger on October 28, 2014
  83. Science, Chemistry

    I have been told that to prepare 1L of 70% H2SO4 from concentrated sulphuric acid (96% with density 1.84g/ml), I should use the following equation to find out the volume of conc. acid needed (Vml). V x 1.84 x 0.96={(1000-V)+ 1.84V}0.7 i.e. V= 594ml of conc

    asked by Tricia on December 3, 2008
  84. Chemistry

    I have no idea where to even start with this problem on my pre-lab! For part of the experiment, you will need to prepare 100 mL of 0.025 M CH3CO2H, starting from commercial "glacial" acetic acid, which has a concentration of 17.4 M. This is best done by

    asked by Jen on October 10, 2011
  85. chemistry

    determine the volume of stock acid required to prepare 500mL of 0.5mol/L hydrochloric acid. Assume the stock acid is 38% by mass hydrogen chloride and has a density of 1190kg/m3 (1.190g/mL)

    asked by sara on May 30, 2010
  86. College Algebra

    How many liters of 80% hydrochloric acid must be mixed with 40% hydrochloric acid to get 15 liters of 65% hydrochloric acid? Write your answer rounded to three decimals. Show all work.

    asked by Liz on October 9, 2011
  87. chemistry

    When hydrochloric acid reacts with zinc metal, zinc chloride and hydrogen gas are produced. How many moles of hydrochloric acid are needed to react with 2.3 moles of zinc?

    asked by Zuh-He. on May 5, 2011
  88. chemistry

    When hydrochloric acid reacts with zinc metal, zinc chloride and hydrogen gas are produced. How many moles of hydrochloric acid are needed to react with 2.3 moles of zinc?

    asked by jadealexia on May 5, 2011
  89. chemistry

    Hydrochloric acid reacts with calcium to form hydrogen and calcium chloride. If 100 grams of hydrochloric acid reacts with 100 grams of calcium, what is the limiting reactant? 2HCl + Ca --> CaCl2 + H2

    asked by tyler on June 18, 2012
  90. 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
  91. chemistry

    Concentrated nitric acid is 16M. What volume of nitric acid must be diluted must with distilled water to prepare 5L of 0.1M nitric acid?

    asked by please help on March 19, 2011
  92. chemistry

    Concentrated nitric acid is 16M. What volume of nitric acid must be diluted with distilled water to prepare 5L of 0.1M nitric acid?

    asked by twynna on February 13, 2011
  93. chemistry

    Concentrated nitric acid is 16M. What volume of nitric acid must be diluted with distilled water to prepare 5L of 0.1M nitric acid?

    asked by n/a on March 30, 2011
  94. Chemistry

    How much concentrated 12 M HCl is needed to prepare 200 ml of a 2.5 M solution?

    asked by Sam on March 7, 2016
  95. chemistry

    Given 50 ml of concentrated nitric acid.The density of the concentrated acid is 1.42 g/ml and is 70% HNO3 by wt. Calc. the molality of the conc. acid.

    asked by 12 on October 16, 2013
  96. chemistry

    Given 50 ml of concentrated nitric acid.The density of the concentrated acid is 1.42 g/ml and is 70% HNO3 by wt. Calc. the molality of the conc. acid.

    asked by 12 on October 16, 2013
  97. chemistry

    A procedure calls for 100ml of 20% H2SO4, SG=1.14. How much of the concentrated acid (98%), SG=1.84, must be diluted with water to prepare 100ml of acid of the required strength?

    asked by chantal on April 15, 2014
  98. Chemistry

    How to prepare 10% w/v nitric acid solution? Do I just weigh 10g of concentrated nitric acid (65%) and dilute to 100ml with water?

    asked by jessie on October 11, 2011
  99. Chemistry

    Illustrate how to prepare a 1:3 solution of 0.5M hydrochloric acid

    asked by Adoma on October 24, 2016
  100. chemistry

    illustrate how to prepare a 1:3 solution of 0.5 hydrochloric acid

    asked by Priscilla on December 4, 2016