Solutions and Solubility

How much KNO₃ solute is needed to make a saturated solution at 40 degrees?

• 75 g

• 55 g

• 65 g

• 85 g

How much Ce₂(SO₄)₃ solute is needed to make a saturated solution at 80 degrees?

• 20 g

• 15 g

• 30 g

• 2 g

Which solute is MOST likely a gas?

• KNO₃

• NaNO₃

• KCl

• Ce₂(SO₄)₃

At what temperature can you fully dissolve 140g of NaNO₃?

• 62

• 73

• 81

• You cannot determine this

At what temperature can you fully dissolve 120g of NaBr?

• 70

• 20

• 100

• You cannot determine this

What type of a solution is created when 60g of NaNO₃ is dissolved at 40ºC in 100g H₂O?

• Saturated

• Unsaturated

• Supersaturated

What type of a solution is created when 100g of KNO₃ is dissolved at 40ºC in 100g H₂O?

• Saturated

• Unsaturated

• Supersaturated

What type of a solution is created when 260g of sugar is dissolved at 50ºC in 100g H₂O?

• Saturated

• Unsaturated

• Supersaturated

Describe a solute.

• part of solution present in largest amount
• gets dissolved
• water
• surrounds and breaks apart

How does a solution become supersaturated?

• dissolve the normal amount of solute in it.

• dissolve a little solute in it.

• dissolve more solute than you should be able to.

• dissolve a super amount of solvent in it.