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April 18, 2014

Homework Help: CHEMISTRY

Posted by N COMAS on Wednesday, March 20, 2013 at 12:14am.

1. What is the vapor pressure at 25C of a solution of 1.20g of nephtalene C10H8 in 25.6g of benzone C6H6? The vapor pressure of pure benzene at 23C is 86.0mmHg the vapor pressure of naphthalene can be neglected. Calculate the vapor pressure lowering of the solution.

2. A solution was prepared by dissolving 0.834g of sulfur, S8 in 100.0g of acetic acid HC2H3O2. Calculate the freezing point and the boiling point of the solution.

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