42 The vapour pressure of benzene at a certain 1 temperature is 640 mm of Hg A non volatile and non electrolyte solid weighing 2

Question

42 The vapour pressure of benzene at a certain 1 temperature is 640 mm of Hg A non volatile and non electrolyte solid weighing 2 175 g is added to 39 08 of benzene The vapour pressure of the solution is 600 mm of Hg What is the molecular weight of solid substance 1 69 45 3 49 50 2 59 6 4 79 8 PAD P P Conc AB 48

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