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September 2, 2015

Homework Help: chem

Posted by Anonymous on Sunday, November 14, 2010 at 9:23pm.

A 4.1 L sealed bottle containing 0.25 g of liquid ethanol, C2H6O, is placed in a refrigerator and reaches equilibrium with its vapor at -11C. The vapor pressure of ethanol is 10 torr at -2.3C and 40 torr at 19C.
(a) What mass of ethanol is present in the vapor?

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