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MHT CET 2022 Chemistry question

ChemistrySolutionsMHT CET 2022

Find the molar mass of solute when 2 gram dissolved in 60 gram benzene at C and relative lowering of vapor pressure is 0.06 (Molar mass of benzene is 78 g )

Answer: (C)

Solution

For a dilute solution of a non-volatile solute, the relative lowering of vapour pressure is . Substituting: . So g/mol. This matches

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Question ID VK-094256