Solubility, Molarity, & Dilutions Test Review

A(n) __________ is a solution through which an electrical current will pass because ions are present.

• electrolyte

• saturated

• non-electrolyte

• unsaturated

Using the above chart, at 45°C, what is the saturation point of potassium nitrate?

• 70 g

• 20 g

• 40 g

• 110 g

Using the above graph, which salt is most soluble at 40°C?

• A. NH₄Cl

• B. KClO₃

• C. KNO₃

• D. NaNO₃

Using the solubility graph, what approximately is the saturation point of NaNO₃ at 20°C?

• 75

• 85

• 20

• 110

Using the above graph how much KCl would dissolve in 300 g of water at 80°C?

• 200 g

• 100 g

• 50 g

• 150 g

In a solution the larger amount is usually the ______________.

• molality

• solvent

• solute

• saturate

In a __________ solution there is more than the maximum amount of solute dissolved.

• unsaturated

• non-electrolyte

• supersaturated

• saturated

The solubility of gases in a liquid solution generally __________ as the temperature decreases.

• decreases

• remains unchanged

• changes exponentially

• increases

How many moles of NaCl are present in a solution with a molarity of 8.59M and 125 mL of solution?

• 62.7 mol

• 1.07 gram

• 1.07 mol

• 62.7 grams

If I have 340 mL of a 0.50 M NaBr solution, what will the concentration be if I add 560 mL more water to it?

• .30 M

• .18 M

• 3.8 M

• .19 M