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MHT CET Chemistry question

ChemistrySolutionsMHT CET

In an experiment, 1 g of a non-volatile solute was dissolved in 100 g of acetone (molecular mass = 58) at 298 K. The vapour pressure of the solution was found to be 192.5 mm Hg. The molecular weight of the solute is . (vapour pressure of acetone = 195 mm Hg)

Answer: (C)

Solution

, so $M =

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Question ID VK-061171