Solution StoichiometryWhat mass of chromium (III) sulfate is needed to react with 84.5 mL of 0.7 M phosphoric acid solution?

Solution StoichiometryDetermine the volume of 1.2 M

barium hydroxide solution needed to react with 52 mL of 0.85 M hydrophosphoric acid solution.

Solution StoichiometryWhat volume of 0.65 M

aluminum nitrite solution is needed to react with 26.4 g of magnesium carbonate?

MolarityWhat mass of rubidium sulfate is

needed to prepare 150 mL of 0.85 M solution?

MolarityWhat volume of a 1.5 M solution

can be prepared if you begin with 174.8 g of calcium oxalate and sufficient water?

MolarityDetermine the molarity of a

solution prepared by dissolving 129.1 g of ammonium oxide in sufficient water to prepare 500 mL of solution.

MolalityWhat is the molality of a solution

prepared by dissolving 83.1 g of lithium sulfite in 500 g of water?

MolalityWhat mass of copper (I)

carbonate must be dissolved in 875 g of water to make a solution that is 0.25m?

MolalityIf 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?

DilutionWhat volume of 12 M HCl

solution is needed to prepare 650 mL of 1.25 M HCl solution?

DilutionI 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?

DilutionI 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?

Freezing Point Depression

Acetic acid normally freezes at 16.6°C and has a K

f value of

3.9°C/m. What mass of ammonium nitride must be dissolved in 2200 g of acetic acid to cause the freezing point of the solution to be 13.2°C?

Freezing Point DepressionDetermine 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 K

f value of 5.12°C/m.

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.

Boiling Point ElevationTo what mass of nitrobenzene

should 87.3 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.