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MHT CET Chemistry question

ChemistrySolutionsMHT CET

Dry air was passed successively through a solution of 5 g of a solute in 80 g of water and then through pure water. The loss in weight of solution was 2.50 g and that of pure solvent 0.04 g. What is the molecular weight of the solute?

Answer: (A)

Solution

Loss from the solution is proportional to and loss from pure water to , so $ = = 0.016 = =

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Question ID VK-061116