Mixtures and Solutions

Question 1

Using the drop-down menu, order the steps in the dissolving process. the solvent molecules surround the solute molecules or ions.

Revolt · Accepted Answer

B: 2

Question 2

A spoon of salt is added to water. Which of these will increase how fast the salt dissolves? Check all of the boxes that apply.

Revolt · Accepted Answer

B: stirring the salt and water; D: crushing the salt so the grains are smaller

Question 3

What is solubility?

Revolt · Accepted Answer

C: The amount of solute that will dissolve in a given amount of solvent.

Question 4

How do different factors affect solubility? Check all of the boxes that apply.

Revolt · Accepted Answer

A: Increasing temperature decreases the solubility of gases.; D: Decreasing temperature decreases the solubility of solids.; E: Increasing pressure increases the solubility of gases.

Question 5

Analyze the graph to describe the solubility of barium nitrate, Ba(NO). At 60°C, must be added to 1 L of water to make a saturated solution.

Revolt · Accepted Answer

B: 200 g

Question 6

the solute molecules are carried into the solution.

Revolt · Accepted Answer

C: 3

Question 7

At 25°C, the solubility is about .

Revolt · Accepted Answer

A: 100 g per liter

Question 8

the solute is mixed with the solvent.

Revolt · Accepted Answer

D: 4

Question 9

A solution that contains 600 g Ba(NO) in 3 L of H2O at 70°C is .

Revolt · Accepted Answer

C: unsaturated

Question 10

the solvent molecules are attracted to the molecules at the surface of the solute particles.

Revolt · Accepted Answer

A: 1

Mixtures and Solutions Answers

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