Solutions

Using the graph above, which compound would dissolve the least amount of solute at 20° C, KCl, NaCl, KNO₃, or KClO₃?

• KCl

• NaCl

• KNO₃

• KClO₃

Using the graph above, which compound would dissolve the most solute at 50° C, KCl, NaCl, KNO₃, or KClO₃?

• KCl

• NaCl

• KNO₃

• KClO₃

What is the molarity of a solution when 100 mL water are used to dissolve 21g CuSO₄?

• 0.13 M

• 3.4 M

• 1.6 M

• 0.84 M

A solution that has the maximum amount of solute dissolved in the solvent is called __________________.

• saturated

• supersaturated

• unsaturated

• suspension

A solution that has less than the maximum amount of solute dissolved in the solvent is called __________________.

• saturated

• supersaturated

• unsaturated

• suspension

How many grams of NaCl need to be dissolved in 50mL of water to make a 0.2M solution?

• 1.82g

• 0.13g

• 1.67g

• 0.58g

A solution that has more than the maximum amount of solute dissolved in the solvent is called __________________.

• saturated

• supersaturated

• unsaturated

• suspension

When sugar is dissolved in water, the ______ is the solute.

• sugar

• water

Molarity is defined as _________ divided by ___________

• mol, liters

• mol, kg

• kg, liters

• liters, kg

What does "like dissolves like" mean?

• polar solvents dissolve in polar solutes

• polar solutes dissolve in polar solvents

• non-polar solvents dissolve in polar solutes

• non-polar solutes dissolve in polar solvents