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March 26, 2015

Homework Help: Mole fractions in a liquid mixture:

Posted by Sar on Thursday, September 2, 2010 at 4:37pm.

Acetone, C3H6O, and ethyl acetate, C4H8O2, are organic liquids often used as solvents. At 30 degrees C, the vapor pressure of acetone is 285 mm Hg and the vapor pressure of ethyl acetate is 118mm Hg. the solution is prepared at 30 degrees C by dissolving 27.0 g of acetone in 22.5 g of ethyl acetate.

A. What is the mole fraction of each component in the liquid mixture?

B. What is the mole fraction of each comment in the vapor at 30 degrees C?

How do I even START this problem? I am so confused.

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