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Questions and Answers
How does stirring affect the rate of dissolving?
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?
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?
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?
What is the purpose of chromatography in separating substances?
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How do different substances behave in terms of solubility?
How do different substances behave in terms of solubility?
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What factor affects the solubility of gases in liquids?
What factor affects the solubility of gases in liquids?
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How is distillation useful in separating substances?
How is distillation useful in separating substances?
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What type of solute particles have the greatest effect on freezing point depression and boiling point elevation?
What type of solute particles have the greatest effect on freezing point depression and boiling point elevation?
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How do solid substances generally behave with respect to solubility and temperature?
How do solid substances generally behave with respect to solubility and temperature?
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What is measured by parts per million (ppm)?
What is measured by parts per million (ppm)?
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