MHT CET Chemistry question
The vapour pressure of benzene at a certain temperature is 640 mm of Hg. A non-volatile, non-electrolyte solute weighing 2.175 g, is added to 39.0 g of benzene. The vapour pressure of the solution is 600 mm of Hg. What is the molecular weight of the solid substance?
Answer: (B)
Solution
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