The vapour pressure of pure benzene at certain temperature is 640 mm o – InterviewSolution

1.	The vapour pressure of pure benzene at certain temperature is 640 mm of Hg. A non-volatile non-electrolyte solid 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 molar mass of the solid substance?
Answer» The vapour pressure of pure benzene at certain temperature is $640 m m$ of $H g$ . A non-volatile non-electrolyte solid weighing $2.175 g$ is added to $39.0 g$ of benzene. The vapour pressure of the solution is $600 m m$ of $H g$ . What is the molar mass of the solid substance?

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