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Class 12 NEET Chemistry Solutions Questions

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Question : 56

Total: 76

The vapour pressure of benzene at a certain temperature is 640mm of Hg. A nonvolatile and non-electrolyte solid, weighing 2.175g is added to 39.08 of benzene. The vapour pressure of the solution is 600mm of Hg. What is the molecular weight of solid substance?

69.5
59.6
49.50
79.8

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