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The vapour pressure of pure benzene at a...

The vapour pressure of pure benzene at a certain temperature is `640 mm` of `Hg`. A non-volatile non-electrolyte solid weighing `2.175 g` added `39.0 g` of benzene. The vapour pressure of the solution is `600 mm` of `Hg`. What is the molecular weight of solid substance?

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The correct Answer is:
`65.25`
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The vapour pressure of benzene at a certain temperature is 640 mm of Hg A non-volatile and non-electrolyte solid weighing 2.175g is added to 39.08g of benzene .the vapour pressure of the solution is 600 mm of Hg. What is the molecular weight of solid substance ?

The vapour pressure of pure benzene at a certain temperature is 640 mm of Hg. A non volatile nonelectrolyte solid weight 0.175 g is added to 39.0 benzene. The Vapour pressure of the solution is 600 mm of Hg. What is molecular weight of solid substance?

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The vapor pressure of pure benzene at a certain temperature is 640 mmHg . A nonvolatile nonelectrolyte solid weighing 2.0 g is added to 39 g of benzene. The vapor pressure of the solution is 600 mmHg . What is the molecular mass of the solid substance. Strategy: Use Equation (2.58) as the concept of colligative properties is based on dilute solution. The moleculsr mass of benzene is 78u .

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