The vapor pressure of a solution containing 53.6 g glycerin (C3H8O3) in 133.7 g ethanol (C2H5OH) is 113 torr at 40 degrees Celsius. Calculate the vapor pressure of pure ethanol at 40 degrees Celsius assuming that glycerin is a nonvolatile, nonelectrolyte solute in ethanol.
The solution involves the calculation of the vapour pressure of a component of solution given the molecular weights of the molecules, temperature, and pressure of one of the components.
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