AP EAMCET Medical 24 Apr 2019 Shift 2 Paper

Question : 140 of 160

Marks: +1, -0

At T(K). the vapour pressure of a pure solvent X is 0.8 atmospheres. What is the mole fraction of the non-volatile solute Y in the solution, which drops the vapour pressure of X to 0.6 atm?