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

Multiple Choice

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 $\degree$ C?

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