Concentrations and solutions

What is the unit for concentration in a solution?

• Molarity (M)

• Molality (m)

• Normality (N)

• Parts per million (ppm)

Which of the following describes a supersaturated solution?

• A solution that can dissolve more solute

• A solution that has dissolved the maximum amount of solute

• A solution that contains more solute than it can theoretically hold

• A solution in dynamic equilibrium

What happens to the moles of solute during a dilution?

• They increase

• They decrease

• They remain the same

• They double

Which of the following is a strong electrolyte?

• NaCl

• HF

• C₆H₁₂O₆

• H₂O

What effect does the presence of solute molecules have on the boiling point of a solution?

• It decreases the boiling point

• It increases the boiling point

• It has no effect on the boiling point

• It causes the solution to freeze

What is the difference between Freezing Point Depression and Boiling Point Elevation?

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How can you tell if a substance is a strong electrolyte with a lightbulb?

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How do you read a solubility curve? What would NH3 be: Saturated, Unsaturated, or Supersaturared?

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