Question

solve this as fast as u can for 30 points..

Answer 1

If u have any doubt then ask me

Answer 2

Vapour Pressure = Xa(Vapour pressure of liquid A) + Xb(Vapour pressure of liquid B)

Xa + Xb = 1
Xb = 1 - Xa

600 = Xa(450) + (1 - Xa)(700)

600 = 450 Xa + 700 - 700Xa

250 Xa = 100

Xa = 0.4

Xb = 0.6

-WonderGirl