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MHT CET 2022 Chemistry question

ChemistrySolutionsMHT CET 2022

What is the molar mass of solute when 2.3 gram non-volatile solute dissolved in 46 gram benzene at C? (Relative lowering of vapour pressure is 0.06 and molar mass of benzene is 78 gram )

Answer: (A)

Solution

For a dilute solution of a non-volatile solute, the relative lowering of vapour pressure is . Hence $ = × =

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Question ID VK-093816