Question: A beaker filled with an equimolar liquid mixture of ethyl alcohol and ethyl acetate evaporates at O?C into still air at 101 kPa (1 atm)

A beaker filled with an equimolar liquid mixture of ethyl alcohol and ethyl acetate evaporates at O?C into still air at 101 kPa (1 atm) total pressure. Assuming Raoult's law applies, what will be the composition of the liquid remaining when half the original ethyl alcohol has evaporated, assuming that each component evaporates independently of the other? Also assume that the liquid is always well mixed. The following data are available:

Vapor Pressure, kPa at 0C Diffusivity in Air m*ls 6.45 x 10-6

Vapor Pressure, kPa at 0C Diffusivity in Air m*ls 6.45 x 10-6 9.29 x 10-6 Ethyl acetate (AC) Ethyl alcohol (AL) 3.23 1,62

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