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MHT CET Chemistry question

ChemistrySolutionsMHT CET

The vapour pressure of benzene at a certain temperature is 640 mm of Hg. A non-volatile and non-electrolyte solid weighing 2.175 g is added to 39.08 g of benzene. The vapour pressure of the solution is 600 mm of Hg. The molar mass of the solid substance will be

Answer: (C)

Solution

Using the dilute-solution relation : $ = Missing argument for \dfrac\dfrac{2.175

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Question ID VK-061069