Question

Vapour pressures of benzene and toluene at
certain temperature are 400 and 150 mm Hg
respectively. 3 moles of benzene and 2 moles
of toluene form an ideal solution. The total
pressure of solution and mole fractions of
toluene in the vapour phase will be:
1
200,0.7
2
250, 0.4
3
300, 0.2
4
350, 0.3​

Answer 1

Answer:

What is this question write it properly