The vapour pressure of water at 300 K in a closed container is 0.4 atm. If the volume of the contain — Solutions and Colligative Properties Chemistry Question
Question
The vapour pressure of water at 300 K in a closed container is 0.4 atm. If the volume of the container is doubled, its vapour pressure at 300 K will be
Answer: C
💡 Solution & Explanation
Vapour pressure at a given temperature depends only on temperature and the nature of the liquid, not on the volume of the container (provided liquid remains). Doubling the volume: more liquid evaporates to restore equilibrium, giving the same vapour pressure of 0.4 atm.
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