Colligative properties

The boiling point of a solution is ______ the boiling point of the pure solvent.

• higher than
• the same as
• lower than
• higher or lower than

Molality is measured in

• mols per kg
• mols per L
• mols per kJ
• mols per mL

Which technique could increase or speed up the rate of dissolving?

• Allowing the mixture to settle
• Stirring the mixture
• Adding more powder
• Adding more water

The freezing point of a solution is ____ the freezing point of the pure solvent.

• the same as
• lower than
• higher than
• no relation to

Colligative properties depend on the _________ of the solute but not the __________ of the solute.

•  concentration; identity
• identity; concentration
• reactivity; nature
• nature; reactivity

A solution has 10 moles of ammonia in 2L of solution. What is the molarity? 

• 5.0 M
• 20 M
• 0.5 M
• 0.2 M