Question

at room temperature the mole fraction of a solute is 0.25 and the vapour pressure of the solvent is 0.80atm then the lowering of vapour pressure is ​

Answer 1

Answer:

the answer is 0.20 atm.

Explanation:

we know,

Po - Ps/ Po = x2

Po- 0.80/ Po = 0.25

on solving we get,

Po- Ps = 0.20 atm.