1 The vapour pressure of pure benzene at a certain temperature is 640 mm Hg A non volati non electrolyte solid weighing 2 175 g

Question

1 The vapour pressure of pure benzene at a certain temperature is 640 mm Hg A non volati non electrolyte solid weighing 2 175 g is added to 39 0 g of benzene The vapour pressure of the solution 600 mm Hg What is the molecular weight of the solid substance in terms of atomic mass unit

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