Assuming Raoult's law, what is the composition of vapor in

equilibrium with a liquid that is $20\%$ ethanol and $80\%$ water at

$70C?$

$P_w^{\text{s}\text{a}\text{t}}(70C)=31\mathrm{.}2$kPa

$P_E^{\text{s}\text{a}\text{t}}(70C)=72\mathrm{.}0$kPa