Jee Main
Solutions
JEE Main 2021 (Online) 20th July Evening Shift
INTEGER+4 / -12021
The vapour pressures of A and B at 25\(^\circ\)C are 90 mm Hg and 15 mm Hg respectively. If A and B are mixed such that the mole fraction of A in the mixture is 0.6, then the mole fraction of B in the vapour phase is x \(\times\) 10\(-\)1. The value of x is ___________. (Nearest integer)