posted by chris
at 17.9 degrees celsus ethyl ether has a vapor pressure of 400 torr. What is the mole fraction of ethly ether in a solution which has a vapor pressure of 380 torr, if the solute is non-volatile at 17.9 degrees celsus?
Pethyl ether = Xethyl ether*P<aup>oethylether
380 = X*400
Solve for X