Colligative Properties: Boiling/Freezing

What type of substance dissolves in water but does not form ions or conduct electricity?

• electrolyte

• nonelectrolyte

• saturated

• insoluble

Colligative properties depend on the _____ of solute particles in solution.

• type
• number
• pH
• nature

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

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

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

What is happening at the boiling point?

• liquid to gas
• gas to liquid
• solid to liquid
• liquid to solid

Compared to the freezing point and boiling point of water at 1 atmosphere, a solution of a salt and water at 1 atmosphere has a

• lower freezing point and a lower boiling point

• lower freezing point and a higher boiling point

• higher freezing point and a lower boiling point

• higher freezing point and a higher boiling point

Water is known as the Universal Solvent.

What does that mean?

• Water can dissolve most things

• Water can be dissolved by most things

When KCl (potassium chloride) is dissolved in water, how many particles are in solution?

• 1

• 2

• 3

• 4

• 6

When CaBr₂ is dissolved in water, how many particles will be in solution?

• 1

• 2

• 3

• 4

• 5

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

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