1. Chemistry for Engineers

    How many mL of .2475M Sr(OH)_2 solution are needed to neutralize 25 mL of 0.1542M HCL solution in the reaction 2HCl + Sr(OH)_2 -> SrCl_2 + 2H_2_O

    asked by Austin on October 11, 2011
  2. chem 11

    Calculate the molar concentration of a solution made by dissolving 20.0g of sodium hydroxide to make 300ml of solution.

    asked by ash on May 26, 2014
  3. Chemistry

    What is the molarity of a solution prepared by placing 7.2 g of glucose in a volumetric flask and adding water to get 250.0 mL of solution?

    asked by Sara on November 6, 2015
  4. Chemistry

    A solution is prepared by dissolving 10.0 moles of Na2SO4 solid in 0.500 kg H2O. what is the vapor pressure of the solution at 30 C?

    asked by Tammy on September 5, 2009
  5. chem

    Find the percent by mass of sodium chloride in a 1.15M NaCl solution. The density of the solution is 1.07g/mL.

    asked by natash on October 1, 2008
  6. chemistry

    The sap from a maple tree is an example of a _____ concentrated solution weak solvent dilute solution suspension

    asked by Bleaktuber on January 24, 2019
  7. science

    A solution is prepared by mixing 90 ml of 5 M HCl and 30 ml of 8 M HNO3. Water is then added until the final volume is 1 L. Calculate the [H+], [OH-], and the pH for this solution.

    asked by polly on February 17, 2015
  8. Chemistry

    Explain what would happen to the color of a dilute solution containing FeCl4- if you added a solution of sodium chloride, NaCl.

    asked by Anonymous on October 29, 2014
  9. Chemistry

    Suppose you had a 1.00 m solution of AlCl3. Assuming complete dissociation, what is the theoretical change in the freezing point of this solution?

    asked by Celeste on May 9, 2010
  10. science

    What is the molarity of a solution of sodium chloride which contains 0.5moles in 200cubic centimeters? #2.what volume of 1m solution of hcl will contain 10moles?

    asked by thomas on August 2, 2016
  11. Science

    A hydrochloric acid solution consist of 28.0% HCl, by mass, and has a density of 1.14 g/mL. What volume of this solution is required to react with 1.35 g Al?

    asked by Vishea on June 22, 2018
  12. Chemistry

    Calculate the amount of solute needed to make the solution. I can't remember how to set these up. .50kg of a 18% (m/m) KOH solution

    asked by Monster on May 19, 2011
  13. chemistry

    If 34.7 mL of 0.210 M KOH is required to completely neutralize 30.0 mL of a CH3COOH solution, what is the molarity of the acetic acid solution?

    asked by Heny on May 3, 2012
  14. Chemistry

    Solution of 20g H2SO4 in 80g H2O and Density Solution 1.143g / ml Calculate mulality and molarity

    asked by Ramzi on October 11, 2017
  15. physics

    The speed of light is measured to be 1.50 ×108 m s–1 in a sucrose water solution. Calculate the refractive index of the solution.

    asked by wwrr on March 6, 2017
  16. chemistry

    Calculate the molarity of the K+ ion in a solution prepared by adding of 5.55 g of K2SO4 to enough water to form 0.500 L of solution.

    asked by kelli on April 3, 2013
  17. science

    15.0g of potassium acetate is added to 500.0mL of 0.50M solution of acetic acid. What is the pH and the pOH of the solution?

    asked by sam on November 29, 2012
  18. Chemistry

    Explain exactly how you would make 1 liter of a .10 M acetic acid solution using vinegar from the lab as the stock solution to be diluter.

    asked by Haley on April 6, 2011
  19. Chem

    If you had a 5.55 M solution of NaCL that has a density of 1.025g/ml at 20C, what would the concentration be of the solution in molarity.I got .541 m am I right or my calculation totally off?

    asked by Sammy on August 25, 2009
  20. Biochemistry

    describe the preparation of 2litres of 0.2M acetate buffer of pH 5.5,starting from 2.5M solution of acetic acid and 2.5M solution of KOH{4.77}

    asked by OCHAI on April 19, 2015
  21. Chemistry

    Calculate the equilibrium concentration of all ionic aqueous species in a solution containing 1.30 M HCl and 4.0 M C6H5OH (phenol, Ka=1.6 x 10^-10). What is the pH of the solution?

    asked by Gloria on April 19, 2008
  22. chemistry

    Determine how many milliliters of 0.102M NaOH solution is needed to neutralize 35.0mL of 0.125M H2 SO4 solution.

    asked by jane on March 1, 2011
  23. chemistry

    A solution of sulfuric acid in water that is 25% H2SO4 by mass has a density of 1178 g/ml. Which expression gives the molarity of this solution?

    asked by help on November 16, 2011
  24. Chemistry

    A solution is made by dissolving 3.550g of Na2SO4 in water using a 100.0 mL volumetric flask. What is the molarity of the solution?

    asked by Anonymous on March 12, 2011
  25. chemistry

    7.00 grams of sugar (C12H22O11) are dissolved in water to make 1 L of solution. What is the concentration of this solution? Answer in units of M

    asked by Justina on March 9, 2014
  26. Chemistry

    What volume of a 0.332 M hydrobromic acid solution is required to neutralize 29.6 mL of a 0.155 M calcium hydroxide solution ?

    asked by Kaitlin on October 22, 2012
  27. Chemistry

    Calculate the new molarity of a 20.0 mL sample of 0.550 M CaCl2 solution that is diluted with water to make 250 mL of solution.

    asked by Anonymous on November 9, 2016
  28. chemistry

    Hydrochloric acid (68.0 mL of 0.037 M) is added to 249.0 mL of 0.062 M Ba(OH)2 solution. What excess ions are left in the solution?

    asked by Anonymous on October 28, 2010
  29. algebra

    the perimeter P of a square is four times the length of ones side s, or P=4s. Is (1455) a solution of this equation? If not, find a solution that uses one of the given values

    asked by jacky on November 1, 2011
  30. chemistry

    The volume of a H2SO4 solution to 36.75% by weight of density 1, 8g/cm ^ 3, necessary to prepare 500 ml of a solution 3N of sulphuric acid is approximately:

    asked by william on October 9, 2017
  31. CHEM 101

    What volume of a 0.726 M sodium hydroxide solution is required to neutralize 24.6 mL of a 0.298 M hydrobromic acid solution ?

    asked by jackson on October 8, 2013
  32. chemistry

    A solution contains 25.5 g of NaCl dissolved in sufficient water to give a total mass of 325.0 g. What is the molality of the solution

    asked by Adrian on May 10, 2013
  33. Chemistry

    15.0 mL of 0.30 M sodium phosphate solution reacts with 20.0 mL of 0.23M lead(II) nitrate solution. What mass of precipitate will form?

    asked by Andy on September 28, 2014
  34. Chemistry

    Please help me! Thank-you! Calculate the concentration, in moles per liter, of a fertilizer solution if 500.0 mL of the solution contains 1.84 g of copper sulphate, CuSO4.

    asked by Sydney on July 18, 2009
  35. Chemistry

    What is the NET IONIC EQUATION for the reaction of magnesium nitrate solution with silver sulfate solution. Is it AG2S04

    asked by Majra on November 20, 2007
  36. chemistry

    a solution of sulfiric acid is 40% H2SO4 by mass and it has a density of 1.30g/ml at 25 degrees Celcious. the molarity of this solution is....?

    asked by lizza on October 3, 2010
  37. Chemistry

    What is the molarity of a sodium hydroxide solution if 38 mL of the solution is titrated to the end point with 14 ml of .75M sulfuric acid?

    asked by Christian on May 18, 2011
  38. Chemistry

    Are my answers correct? Calculate the molarity: a) 0.500 mol of NaOH in 2.45 L of solution. b) 24.1 g of NaCl in 853 mL of solution. a: 0.2 M b: 0.49 M

    asked by Robert on October 22, 2015
  39. science

    If you are titrating 25.00 mL of a 1.00mg/ml CaCO3 solution, how many mL of 0.010M EDTA solution will be required to reach the equivalence point

    asked by Chris on March 4, 2013
  40. chemistry

    Calculate the hydrogen-ion concentration [H+] for an aqueous solution in which [OH-] is 1 x 10^-11 mol/L. Is this solution acidic, basic, or neutral?

    asked by kayla on August 5, 2008
  41. chemistry

    Stuck on this questions ?! please help The solubility of barium sulphate, BaSO4, is 2.4 x 10-4 g/100 mL of solution. Calculate the Ksp of this solution.

    asked by ryan on February 1, 2015
  42. Chemistry

    What is the molarity of a sodium hydroxide solution if 38 mL of the solution is titrated to the end point with 14 mL of 0.75M sulfuric acid?

    asked by Emily on May 1, 2012
  43. Chemistry

    If you add enough water to 175.0 mL of a .15 M NaCl solution until the final volume is 350.0 mL, what will the molarity of the diluted solution be?

    asked by Tim on March 12, 2013
  44. Science

    Calulations and observations to determine the molarity of given sodium hydroxide solution provided with M/20 oxalic acid solution

    asked by Sandeep on September 21, 2016
  45. 9th grade

    10 gm of silver nitrate solution is added to 10 gm of sodium chloride solution what change in mass do you expect after the reaction and why?

    asked by Princess on November 12, 2009
  46. Chemistry

    What is the molarity of a sodium hydroxide solution if 38 mL of the solution is titrated to the end point with 14 mL of 0.75M sulfuric acid?

    asked by Emily on May 1, 2012
  47. Chemistry

    In the laboratory, a student adds 57.6 mL of water to 10.9 mL of a 0.755 M perchloric acid solution. What is the concentration of the diluted solution ?

    asked by Misha on March 31, 2017
  48. chemistry

    calculate the molarity of the solution prepared by dissolving 16.45g NH4NO3 in water to make 250.mL solution.

    asked by hunter on March 16, 2014
  49. chemistry

    Calculate the molarity of the K+ ion in a solution prepared by adding of 5.55 g of K2SO4 to enough water to form 0.500 L of solution.

    asked by julie on December 15, 2012
  50. chemistry h/w help

    The concentration of lead nitrate (Pb(NO3 )2 ) in a 0.726 M solution is __________ molal. The density of the solution is 1.202 g/mL.

    asked by john on September 15, 2010
  51. Chemisrty

    To what volume must 1.0 l of a 6.0 m solution of hcl be diluted in order to prepare a 0.2 m solution? I just need to find wht steps i need to take to get the answer

    asked by Jacob on April 27, 2015
  52. chemistry

    Determine the chloride ion concentration in a solution containing 50.0 g MgCl2 dissolved in 1500 mL of solution. a. 0.350 M b. 0.700 M c. 1.40 M d. 3.17 M e. 6.34 M

    asked by princess on November 10, 2010
  53. chemistry

    What is the molarity (mol/L) of sodium (Na) in a solution containing 0.4 mole ofNa + cation in 400 mL of an aqueous (water) solution?

    asked by Ed on April 16, 2011
  54. maths

    what volume of distilled water must be added to 165mls of stock solution to make 1200mls of diluted solution

    asked by Anonymous on April 27, 2011
  55. chemistry

    Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 in enough water to form exactly 550 mL of solution.

    asked by Anonymous on January 16, 2013
  56. Chemistry

    If the reaction 2H2O2 →2H2O+O2 has a 45% yield, what is the molarity of the H2O2 solution if 2.5 L of this solution pro- duces 150 g of O2?

    asked by Andrea on May 29, 2016
  57. chemistry

    Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 in enough water to form exactly 550 mL of solution.

    asked by Anonymous on January 16, 2013
  58. chemistry

    35.0 mL of an aqueous solution of HNO3 of unknown concentration is titrated with a standard solution made up of 0.453 m NaOH

    asked by diala toulany on May 5, 2016
  59. chemistry

    compute for the pOH of a solution prepared by dissolving 5.50g KOH in enough to make a 100.0mL solution

    asked by valerie faylogna on February 13, 2012
  60. Chemistry

    A 2.5% KCl solution is prepared by dissolving enough of the salt to give 181.4 g of solution. What mass (g) of water is required?

    asked by Linzy on April 8, 2013
  61. Chemistry

    Solid Nal is slowly added to a solution that is .0040 M in Cu^+. Calculate the [I-] when CuI just begins to precipitate from the solution.

    asked by Taylor on December 8, 2010
  62. chem!

    A solution was prepared by dissolving 0.163 g of sugar, (C12H22O11 MW = 3423gmol) in 100.00 mL water. What is the molarity of this solution?

    asked by eve on April 13, 2009
  63. chemistry

    Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 in enough water to form exactly 550 mL of solution.

    asked by Anonymous on January 16, 2013
  64. chemistry

    what is the molarity of a solution prepared by dissolving 1.25g of hcl in water to make 30 centimeter cube of solution

    asked by hifsa on June 18, 2014
  65. chemistry 1046

    Calculate the solubility (in grams per 1.00 102 mL of solution) of magnesium hydroxide in a solution buffered at pH = 9 the ksp of Mg(oh)2 = 2.06e-13

    asked by Anonymous on July 3, 2012
  66. AP CHEMISTRY

    Calculate the pH of a solution made by adding 3.50 g of lithium oxide (Li2O) to enough water to make 1.290 L of solution. (Kw = 1.0 10-14)

    asked by Stanley3000 on February 16, 2012
  67. Chemistry 1115

    What is the chemical equation for the reaction that occurs when you add 0.1 M NaOH solution to the HC2H3O2-NaC2H3O2 buffer solution?

    asked by Marci on November 25, 2012
  68. chemistry

    calculate the molarity of sodium carbonate in a solution prepared by dissolving 5.3g in enough water to form 250ml of solution

    asked by MeGaTrOn on May 11, 2017
  69. chem

    Calculate the pH of a solution made by adding 3.20 g of lithium oxide (Li2O) to enough water to make 1.210 L of solution. (Kw = 1.0 10-14)

    asked by sara on March 7, 2013
  70. chemistry

    Calculate the volume (mL) of 2.06 M magnesium phosphate solution require to prepare 46.20 mL of 2.3998 %w/v solution of Mg3(PO4)2

    asked by myles on February 15, 2012
  71. 9th grade

    10 gm of silver nitrate solution is added to 10 gm of sodium chloride solution what change in mass do you expect after the reaction and why?

    asked by Gazal on November 12, 2009
  72. chemistry

    120g of sodium hydroxide pellets dissolve in 800cm3 of its solution. Determine the mass concentration of the solution

    asked by fatima on October 13, 2018
  73. Chemistry

    we used the solution NiSO4 6H20 - i have to find the mass of solute dissolved in a 25ml solution. - and the molar concentration.

    asked by Chandra on April 12, 2012
  74. 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
  75. 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
  76. Chemistry

    Calculate the molarity of a solution made by dissolving 16.0 grams of Na2CrO4 in enough water to form exactly 555 mL of solution.

    asked by Sam on March 13, 2013
  77. Chemistry

    A solution is made by diluting 18.2 g glucose (C6H12O6) in 0.150 kg water. What is the mass percentage of solute in this solution?

    asked by Anonymous on August 9, 2013
  78. chemistry

    what is the molar concentration of an aqueous NaOH solution when 45.0 grams are dissolved in water to make 100mL of solution

    asked by brad on April 27, 2010
  79. Chemistry

    How would you prepare 1.00L of 0.13m solution of sugar, C12H22O11? The density of the resulting solution is 1.10g/mL. m=molality

    asked by Kelsey on February 26, 2008
  80. Chemistry

    To what volume must 1580mL of 0.2005 N solution be diluted so that the resulting solution will be 0.1899 M? How much water will be needed in the dilution?

    asked by Summer on January 20, 2014
  81. Chemistry

    A solution is prepared by adding 50ml of .05 M HCl to 150 ml of .10 M HNO3. Calculate the concentrations of all species in this solution.

    asked by Help on February 27, 2012
  82. chemistry

    A 250cm^ solution is prepared by dissolvin 8.0g of sodium hydroxide in distilled water.calculate the concentration of this solution

    asked by lesedi on May 8, 2011
  83. Chemistry

    You have 500 mL of a 5.0 M solution of nitric acid HNO3 (63.01 g / mol) dissolved in water. How many grams of nitrogen does the solution contain?

    asked by Tina on April 13, 2013
  84. Chemistry

    40.0 grams of Al2S3 are dissolved into 200ml of water yielding 220ml of solution, what is the percent strength of the solution?

    asked by Hattie on April 21, 2015
  85. Chemistry

    Calculate the molality of NIOS in the solution prepared by dissolving program in enough water to form 250 ml of solution

    asked by Shivam Gangwar on May 16, 2019
  86. CHEMISTRY

    What will be the concentration if 52mL of a solution that is 12ppm in sodium chloride is diluted with enough water to make 97mL of solution?

    asked by Sarah on February 14, 2012
  87. Chemistry

    To what volume should you dilute 43.5mL of a 4.20M KI solution so that 24.0mL of the diluted solution contains 2.80g of KI? Please if you can explain it to me I am so confused.

    asked by Erica on September 17, 2012
  88. chem 121

    What volume of a 0.179 M barium hydroxide solution is required to neutralize 25.6 mL of a 0.377 M perchloric acid solution?

    asked by Anonymous on March 12, 2016
  89. chemistry

    Calculate the concentration (in mg/L) of a solution formed by dissolving 5.000 g of solute in enough solvent to make 2.300 L of solution.

    asked by alex on September 18, 2011
  90. chemistry

    A current of 96.5 A is passed for 18 min between nickel electrodes in 500 mL solution of 2M Ni(NO3)2. The molarity of solution after electrolysis would be

    asked by Anushka on June 5, 2016
  91. pharm chem-dilution

    prepare a 50ml of potassium permanganate solution such that 10ml diluted to 250ml will produce a 1 in 2000 solution

    asked by oluchi on February 16, 2013
  92. Chemistry

    What mass of chromium II chlroide (CrCl2) is dissolved in 150.0mL of solution to prepare .250M solution? Please Help

    asked by Jack on May 28, 2012
  93. chemistry

    calculate the molarity of sodium carbonate in a solution prepared by dissolving 5.3g in enough water to form 250ml of solution

    asked by MeGaTrOn on May 11, 2017
  94. Clinical chemistry

    Describe how you can prepare 0.25 molar solution of sodium hydroxide from an 80 percent stock solution in a 500mls beaker

    asked by Lowicy on November 9, 2014
  95. Chemistry

    Calculate the molarity and normality of a solution made by dissolving 50g of Al(SO4)3 to produce 2.5 liter of solution.

    asked by Jonalyn on July 2, 2016
  96. Chemistry

    A solution is prepared by mixing 3.5 g of nitric acid with enough water to make 8.00 L of solution. Find the [H3O+], [OH-], pH and the pOH

    asked by Mary on March 7, 2012
  97. chemistry

    calculate the molarity of sodium carbonate in a solution prepared by dissolving 5.9g in enough water to form 250ml of solution

    asked by MeGaTrOn on May 12, 2017
  98. chemistry

    9.25% KCl solution is prepared by dissolving enough of the salt to give 100.0 g of solution. What is the mass of water required?

    asked by carol on November 30, 2016
  99. chemistry

    What volume of 0.200 M silver nitrate solution (AgNO3) would have to be diluted to form 500mL of 0.050 M solution?

    asked by georgia on February 25, 2011
  100. Chemistry

    What is [H30+] in a solution obtained by dissolving 205mL HCl(g), measured at 23 C and 751mmHg, in 4.25L of aqueous solution?

    asked by K on June 7, 2011

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