Q: You mix 225.0 mL of a 2.5 M
You mix 225.0 mL of a 2.5 M HCl solution with 150.0 mL of a 0.75 M HCl solution. What is the molarity of the final solution?
See AnswerQ: Calculate the new molarity when 150. mL of water is added
Calculate the new molarity when 150. mL of water is added to each of the following solutions. a. 125 mL of 0.200 M HBr b. 155 mL of 0.250 M Ca(C2H3O2)2 c. 0.500 L of 0.250 M H3PO4 d. 15 mL of 18.0...
See AnswerQ: A solution is prepared by dissolving 0.6706 g of oxalic
A solution is prepared by dissolving 0.6706 g of oxalic acid (H2C2O4) in enough water to make 100.0 mL of solution. A 10.00-mL aliquot (portion) of this solution is then diluted to a final volume of 2...
See AnswerQ: For each of the following solutions, the number of moles of
For each of the following solutions, the number of moles of solute is given, followed by the total volume of the solution prepared. Calculate the molarity of each solution. a. 0.521 mol NaCl; 125 mL...
See AnswerQ: For each of the following solutions, the number of moles of
For each of the following solutions, the number of moles of solute is given, followed by the total volume of the solution prepared. Calculate the molarity of each solution. a. 0.754 mol KNO3; 225 mL...
See AnswerQ: Standard solutions of calcium ion used to test for water hardness are
Standard solutions of calcium ion used to test for water hardness are prepared by dissolving pure calcium carbonate, CaCO3, in dilute hydrochloric acid. A 1.745-g sample of CaCO3 is placed in a 250.0-...
See AnswerQ: An alcoholic iodine solution (“tincture” of iodine) is prepared
An alcoholic iodine solution (“tincture” of iodine) is prepared by dissolving 5.15 g of iodine crystals in enough alcohol to make a volume of 225 mL. Calculate the molarity of iodine in the solution....
See AnswerQ: If 42.5 g of NaOH is dissolved in water and
If 42.5 g of NaOH is dissolved in water and diluted to a final volume of 225 mL, calculate the molarity of the solution.
See AnswerQ: A solution of phosphoric acid, H3PO4, is found to contain
A solution of phosphoric acid, H3PO4, is found to contain 35.2 g of H3PO4 per liter of solution. Calculate the molarity and normality of the solution.
See AnswerQ: Suppose that 27.34 mL of standard 0.1021 M
Suppose that 27.34 mL of standard 0.1021 M NaOH is required to neutralize 25.00 mL of an unknown H2SO4 solution. Calculate the molarity and the normality of the unknown solution.
See AnswerQ: For each of the following solutions, the mass of solute is
For each of the following solutions, the mass of solute is given, followed by the total volume of the solution prepared. Calculate the molarity of each solution. a. 3.51 g NaCl; 25 mL b. 3.51 g NaCl...
See AnswerQ: When 10. L of water is added to 3.0
When 10. L of water is added to 3.0 L of 6.0 M H2SO4, what is the molarity of the resulting solution? Assume the volumes are additive.
See AnswerQ: For each of the following solutions, the mass of solute is
For each of the following solutions, the mass of solute is given, followed by the total volume of the solution prepared. Calculate the molarity of each solution. a. 5.59 g CaCl2; 125 mL b. 2.34 g CaC...
See AnswerQ: A sodium dihydrogen phosphate solution was prepared by dissolving 5.0
A sodium dihydrogen phosphate solution was prepared by dissolving 5.0 g of NaH2PO4 in enough water to make 500. mL of solution. What are the molarity and normality of the resulting solution?
See AnswerQ: Why do scientists tend to express the acidity of a solution in
Why do scientists tend to express the acidity of a solution in terms of its pH, rather than in terms of the molarity of hydrogen ion present? How is pH defined mathematically?
See AnswerQ: Calculate the new molarity if each of the following dilutions is made
Calculate the new molarity if each of the following dilutions is made. Assume the volumes are additive. a. 55.0 mL of water is added to 25.0 mL of 0.119 M NaCl solution b. 125 mL of water is added t...
See AnswerQ: Calculate the new molarity that results when 250. mL of water
Calculate the new molarity that results when 250. mL of water is added to each of the following solutions. a. 125 mL of 0.251 M HCl b. 445 mL of 0.499 M H2SO4 c. 5.25 L of 0.101 M HNO3 d. 11.2 mL...
See AnswerQ: A sample of sodium hydrogen carbonate solid weighing 0.1015 g
A sample of sodium hydrogen carbonate solid weighing 0.1015 g requires 47.21 mL of a hydrochloric acid solution to react completely. HCl(aq) + NaHCO3(s) / NaCl(aq) + H2O(l) + CO2(g) Calculate the mol...
See AnswerQ: A solution of the sparingly soluble base Ca(OH)2
A solution of the sparingly soluble base Ca(OH)2 is prepared in a volumetric flask by dissolving 5.21 mg of Ca(OH)2 to a total volume of 1000. mL. Calculate the molarity and normality of the solution....
See AnswerQ: Explain the difference in meaning between the following two solutions: “
Explain the difference in meaning between the following two solutions: “50. g of NaCl dissolved in 1.0 L of water” and “50. g of NaCl dissolved in enough water to make 1.0 L of solution.” For which so...
See AnswerQ: If 125 mL of concentrated sulfuric acid solution (density 1.
If 125 mL of concentrated sulfuric acid solution (density 1.84 g/mL, 98.3% H2SO4 by mass) is diluted to a final volume of 3.01 L, calculate the following information. a. the mass of pure H2SO4 in the...
See AnswerQ: The concentration of a solution may be expressed in various ways.
The concentration of a solution may be expressed in various ways. Suppose 5.00 g of NaCl were dissolved in 15.0 g of water, which resulted in 16.1 mL of solution after mixing. Explain how you would ca...
See AnswerQ: Calculate the indicated quantity for each solution. a. The
Calculate the indicated quantity for each solution. a. The mass of solute present in 235 mL of 0.251 M NaOH solution. b. The molarity of the solution when 0.293 mole of KNO3 is dissolved in water to...
See AnswerQ: 44. This is the strongest type of covalent bond.
44. This is the strongest type of covalent bond. a. Ionic b. Hydrogen c. Diatomic d. Dispersion e. Polar
See AnswerQ: Titration of 17.85 mL of HNO3 solution requires 16.
Titration of 17.85 mL of HNO3 solution requires 16.00 mL of 0.1600 M KOH solution. What is the molarity of the HNO3 solution?
See AnswerQ: Calculate the molarity of 2.75 L of solution containing 1
Calculate the molarity of 2.75 L of solution containing 1.35 × 10-2 mol HCl.
See AnswerQ: Calculate the molarity of a solution that contains 1.75 mol
Calculate the molarity of a solution that contains 1.75 mol of KNO3 dissolved in 3.00 L.
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