1. Solution Stoichiometry
What mass of chromium (III) sulfate is needed to react with mL of 0.7 M phosphoric acid solution?

2. Solution Stoichiometry
Determine the volume of 1.2 M barium hydroxide solution needed to react with 52 mL of 0.85 M hydrophosphoric acid solution.

3. Solution Stoichiometry
What volume of 0.65 M aluminum nitrite solution is needed to react with 26.4 g of magnesium carbonate?

4. Molarity
What mass of rubidium sulfate is needed to prepare 150 mL of 0.85 M solution?

5. Molarity
What volume of a 1.5 M solution can be prepared if you begin with g of calcium oxalate and sufficient water?

6. Molarity
Determine the molarity of a solution prepared by dissolving g of ammonium oxide in sufficient water to prepare 500 mL of solution.

7. Molality
What is the molality of a solution prepared by dissolving 83.1 g of lithium sulfite in 500 g of water?

8. Molality
What mass of copper (I) carbonate must be dissolved in 875 g of water to make a solution that is 0.25m?

9. Molality
If you have 135 g of sodium phosphate and you wish to prepare a 0.42m solution, what amount of water should be used to dissolve the sodium phosphate?

10. Dilution
What volume of 12 M HCl solution is needed to prepare 650 mL of 1.25 M HCl solution?

11. Dilution
I have 400 mL of 3.5 M hydrobromic acid solution. It sits out for several days, uncovered. I go back and find that 150 mL of the acid has evaporated. What is the new concentration (MOLARITY) of the solution?

12. Dilution
I used 15.3 ml of a concentrated solution of sodium hydroxide to prepare 900 mL of a 0.5 M solution. What was the concentration of the original solution?

13. Freezing Point Depression
Acetic acid normally freezes at 16.6°C and has a Kf value of 3.9°C/m. What mass of ammonium nitride must be dissolved in g of acetic acid to cause the freezing point of the solution to be 13.2°C?

14. Freezing Point Depression
Determine the freezing point of a solution in which 185 g carbon tetrachloride are dissolved in 650 g of benzene (C6H6). Benzene normally freezes at 5.5°C and has a Kf value of 5.12°C/m.

15. Boiling Point Elevation
What is the boiling point of a solution in which 412 g of tin (IV) carbonate are dissolved in 800 g of water? The Kb for water is 0.512°C.

16. Boiling Point Elevation
To what mass of nitrobenzene should g of sodium selenide be added to elevate the boiling point of the solution by 2.1°C? The Kb for nitrobenzene (C6H5NO2) is 5.24°C/m.