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MHT CET Chemistry question

ChemistrySolutionsMHT CET

The vapour pressure of water is 12.3 kPa at 300 K. Calculate the vapour pressure of 1 molal solution of a non-volatile solute in it.

Answer: (B)

Solution

1 molal means 1 mol solute per 55.55 mol water, so and $P = 12.3 × 0.9823 =

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Question ID VK-061376