Solutions and Solubility

Question 1

The concentration of a solute in a solution is greater than the maximum concentration that is predicted from the solute's solubility. What is the best way to describe this solution?

Revolt · Accepted Answer

supersaturated

Question 2

Which is the second step in the dissolving process?

Revolt · Accepted Answer

The solvent molecules surround the solute particles.

Question 3

The graph below shows how solubility changes with temperature.What is the solubility of Na2HAsO4 at 60°C?

Revolt · Accepted Answer

65 g/100 mL of water

Question 4

A beaker contains a solution. A single solute crystal is added to the solution. Immediately, crystals form in the solution. Which term best describes the solution before the crystal was added?

Revolt · Accepted Answer

supersaturated

Question 5

A 1-L soda bottle contains dissolved carbon dioxide gas. Which bottle would have the highest concentration of dissolved gas?

Revolt · Accepted Answer

a bottle that is sealed

Question 6

Under which conditions will sugar most likely dissolve fastest in a cup of water?

Revolt · Accepted Answer

sugar crystals with stirring at 15°C

Question 7

Which is true about the dissolving process in water?

Revolt · Accepted Answer

Molecules or ions of a solute spread throughout the water molecules.

Question 8

Which refers to the amount of a solute that will dissolve in a given volume of solvent at a given temperature and pressure?

Revolt · Accepted Answer

solubility

Question 9

The graph below shows how solubility changes with temperature.Which two solutions have similar solubilities at 40°C?

Revolt · Accepted Answer

Na2HAsO4 and Na2SO4

Question 10

Which factor increases the rate of dissolution in an unsaturated solution?

Revolt · Accepted Answer

increasing the temperature

Solutions and Solubility Answers

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