An ideal solution was formed by mixing methanol and ethanol at 25°C. The partial pressure of methanol (pm) and that of ethanol (pe) was found to be 2.619 kPa and 4.556 kPa respectively. The composition of vapour in terms of mole fraction, ym and ye is respectively
1
0.635, 0.365
2
0.365, 0.635
3
0.574, 0.326
4
0.173, 0.827