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

Tags

NGSS.HS-PS3-4

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

Tags

NGSS.HS-PS1-5

How many grams of sodium nitrate, NaNO₃, are soluble in 100 g of water at 10 ºC?

• 80 grams
• 100 grams
• 40 grams
• 10 grams

Tags

NGSS.HS-PS1-5

At 40˚C, at what point is the solution saturated with KCl?

• 20g
• 30g
• 40g
• 50g

Tags

NGSS.HS-PS1-5

This solution would be considered

• Unsaturated
• Supersaturated
• Saturated
• Undefined

Tags

NGSS.MS-PS1-2

This graph represents a(n) ___ solution

• saturated
• supersaturated
• unsaturated
• undefined

Tags

NGSS.HS-ESS2-5

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

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

What is the freezing point of a 1.5 m solution of sucrose in water? (K_f = 1.86°C/m)

• -2.8°C
• -1.2°C
• -0.81°C
• 0.81°C

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

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