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Factors Affecting Solubility Rate by Dr. Ramela R. Villena

10 Questions

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Factors Affecting Solubility Rate by Dr. Ramela R. Villena

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Questions and Answers

How does stirring affect the rate of dissolving?

No effect on the rate of dissolving

Causes the solute to precipitate

Increases the rate of dissolving (correct)

Decreases the rate of dissolving

What does molarity measure?

Amount of solvent in solution

Volume of solute in solution

Percentage of solvent in solution

Number of moles of solute per liter of solution (correct)

How does adding a solute affect the freezing point of a solvent?

Lowers the freezing point (correct)

Raises the freezing point

No effect on the freezing point

Causes immediate freezing

What is the purpose of chromatography in separating substances?

To separate substances based on polarity Signup and view all the answers

How do different substances behave in terms of solubility?

They all have different solubilities Signup and view all the answers

What factor affects the solubility of gases in liquids?

Low temperature Signup and view all the answers

How is distillation useful in separating substances?

Uses differences in boiling points Signup and view all the answers

What type of solute particles have the greatest effect on freezing point depression and boiling point elevation?

Those that produce more ions in solution Signup and view all the answers

How do solid substances generally behave with respect to solubility and temperature?

Become more soluble at higher temperatures Signup and view all the answers

What is measured by parts per million (ppm)?

Concentration: 1 part solute to 10^6 parts solvent Signup and view all the answers