Solutions Practice #2 March '22

What is a solute?

• The substance that does the dissolving in a solution.
• The substance that is dissolved into the solution.
• The mixing of different substances.
• The process in which neutral molecules lose or gain electrons

Which sweet tea would you expect to taste the sweetest?

• 1M
• 3M
• 3.1M
• 2.5M

Molarity is measured in _____.

• moles per g.

• mols per L.

• moles per mm.

• moles per mL.

Which of the following types of solutions has more room to dissolve solute?

• supersaturated

• saturated

• unsaturated

Since "like dissolves like", water and oil will not mix because

• both of them are polar

• both of them are nonpolar

• oil is polar and water is nonpolar

• oil is nonpolar and water is polar

90 grams of sodium nitrate (NaNO3) are put into 100 grams of water and stirred. The final
mixture has a temperature of 20°C. About how many grams of the sodium nitrate dissolved?

• 23
• 73
• 80
• 88

NH₄NO₃

• soluble
• insoluble

AgCl

• soluble
• insoluble

How much KNO₃ solute is saturated at 40 degrees?

• 75

• 55

• 65

• 85

Which solute is MOST likely a gas?

• KNO₃

• NaNO₃

• KCl

• Ce₂(SO₄)₃