Solutions Review

What is the universal solvent?

• salt
• sugar
• water
• ice

A mixture with more solute dissolved in the solvent than is usually soluble is called:

• concentrated

• supersaturated

• saturated

• unsaturated

When you have added as much solute as can dissolve in the solvent, the solution is called:

• concentrated

• supersaturated

• saturated

• unsaturated

The moles of solute can be determined by multiplying the molarity of the solute by the volume of solvent.

• True

• False

The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been?

• 3
• 9
• 7
• 5

How many grams of K₂Cr₂O₇, are soluble in 100 g of water at 95 ºC?

• 83 grams
• 75 grams
• 40 grams
• 12 grams

Which substance is MOST soluble at 0 ºC?

• KI
• NaNO₃
• NaCl
• Ce₂(SO₄)₃

When 50 grams of KCl is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:

• supersaturated
• unsaturated
• saturated

When 20 grams of KNO₃ is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:

• supersaturated
• saturated
• unsaturated

The amount of solute actually dissolved in a given amount of solvent.

• dilution
• concentration
• saturated solution
• supersaturated mixture