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MHT CET Chemistry question

ChemistrySolutionsMHT CET

Vapour pressure of pure water is 40 mm. If a non-volatile solute is added to it vapour pressure falls by 4 mm. Hence, molality of solution is

Answer: (A)

Solution

, so and $m = (0.1/0.9) × 55.5 =

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Question ID VK-061372