Solutions and Solubility

Decreasing the pressure of gases in liquids means...

• increase in solubility

• decrease in solubility

What happens to the ability of a solid to dissolve when temperature decreases?

• There is no change in the solubility of the solid.

• The solubility of most solids will increase.

• The only factor that affects the solubility of a solid is polarity.

• The solubility of most solids will decrease.

Which of the following would result in being able to dissolve a greater amount of gas in a solution?

• Lower the temperature of the solution.

• Decrease the pressure of the solution.

• Stir the solution.

• Heat the solution.

The ___ is the thing being dissolved.

• solute

• solvent

• mixture

• solution

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

• Water
• Hydrogen
• Sugar
• Carbon

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

• Carbon Dioxide

• There is no solvent

• Oxygen

• Water

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

• water

• sugar

• sugary water

• none of the above

Tags

NGSS.MS-PS1-2

At 30'C, which substance has the lowest solubility?

• KNO3

• KBr

• NaCl

• Yb2(SO4)3

At which temperature do KBr and KNO3 have the same solubility?

• 60

• 55

• 50

• Never

The solubility of Yb2(SO4)3 ________________ with added temperature.

• increases

• decreases

• remains the same