Calculate the mass of ethylene glycol that must be added to ethanol to reduce its vapor pressure?

By admin | Jan 11, 2010

ushistory asked:

Calculate the mass of ethylene glycol (C2H6O2) that must be added to 1.00 kg of ethanol (C2H5OH) to reduce its vapor pressure by 10.0 torr at 35 degrees C. the vapor pressure of pure ethanol at 35 degrees C is 1.00 x 10^2 torr
An answer would be nice but any hints, formulas, or methods would be greatly appreciated.

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