Understanding Aqueous Solutions and Dissolution

Which of the following factors does NOT affect the rate of dissolution of a solute in a solvent?

• Temperature

• Stirring

• Color of the solute

• Surface area

How does increasing the temperature generally affect the solubility of a solid solute in water?

• Decreases solubility

• Increases solubility

• Has no effect

• Solubility becomes zero

Tags

NGSS.MS-PS1-4

What happens to the rate of dissolution when a solution is stirred?

• It decreases

• It remains the same

• It increases

• It stops completely

Which of the following is a measure of the concentration of a solution?

• Volume of solvent

• Mass of solute

• Molarity

• Temperature

Tags

NGSS.HS-PS1-5

How does increasing the surface area of a solute affect its rate of dissolution?

• Decreases the rate

• Increases the rate

• Has no effect

• Stops the dissolution

Which type of solute is most likely to dissolve in water?

• Nonpolar solute

• Polar solute

• Metallic solute

• Gaseous solute

What is the effect of temperature on the solubility of gases in water?

• Increases with temperature

• Decreases with temperature

• Remains constant

• Becomes zero

Which of the following will increase the rate of dissolution of sugar in water?

• Using larger sugar crystals

• Decreasing the temperature

• Stirring the solution

• Adding more water

What is the term used to describe a solution that cannot dissolve any more solute at a given temperature?

• Unsaturated

• Saturated

• Supersaturated

• Dilute

Which factor is most likely to increase the solubility of a solid solute in a liquid solvent?

• Decreasing the pressure

• Increasing the temperature

• Decreasing the surface area

• Not stirring the solution

Tags

NGSS.MS-PS1-4