2.6 - Vapour Pressure of Liquid Solutions
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Practice Questions
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What is vapour pressure?
💡 Hint: Think about the relationship between liquid and vapor states.
State Raoult's Law.
💡 Hint: Recall the formula involving partial pressures.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does Raoult's Law state about the partial vapour pressure of a component?
💡 Hint: Think about the relationship described by the law.
True or False: Non-volatile solutes do not affect the boiling point of a solution.
💡 Hint: Recall how boiling point changes with solute addition.
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Challenge Problems
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A mixture contains 0.5 mol of solute A and 1.5 mol of solute B. Calculate the total vapour pressure if the vapour pressures of pure A and B are 100 mmHg and 80 mmHg, respectively.
💡 Hint: Calculate mole fractions before applying the law.
You have 1 mol of NaCl dissociated in 1 kg of water. Find the van’t Hoff factor and explain how it alters expected colligative properties.
💡 Hint: Consider dissociation processes for determining i.
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