Recap Review

What is a solvent?

• A liquid that will dissolve a solid solute

• Another word for solution

• A thing that make drinks change colour

• Usually the solid about to be dissolved

If I dissolve carbon dioxide in water, what is the solvent?

• Carbon Dioxide

• There is no solvent

• Oxygen

• Water

Which substance is least soluble at 0 ºC?

• KI

• KNO₃

• KClO3

• Ce₂(SO₄)₃

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

• 300 grams

• 250 grams

• 100 grams

• 50 grams

Which solute is most likely a gas?

• NH₃

• NaNO₃

• KCl

• NaCl

When 40 grams of NaCl is dissolved in 100 grams of water at 90 ºC, the solution can be correctly described as:

• supersaturated

• saturated

• unsaturated

Which solute does not increase in solubility as temperature rises?

• NH₃
• NaNO₃
• KNO₃
• NaCl

Solution where more solute can still be dissolved at the given temperature. 

• Saturated
• Unsaturated
• Supersaturated
• Homogeneous solution

Identify how many grams of KNO3 is required to make a saturated solution at 40'C.

• 50 g

• 45 g

• 55 g

• 33 g

If I dissolve sugar in water, what is the solute?

• Water
• Hydrogen
• Sugar
• Carbon