A Solution Is Prepared by Mixing 75 G of Methanol $\circ$

A solution is prepared by mixing 75 g of methanol (CH₃OH,32.04 g/mol) with 25 g of ethanol (CH₃CH₂OH,46.07 g/mol) .What is the mole fraction of ethanol in the vapor phase at 20 ^$\circ$ C?

A) 0.10
B) 0.12
C) 0.19
D) 0.32
E) 0.54