A solution reduces the vapor pressure of a solvent from 28 mm Hg to 26 mm Hg. What is the mole fraction of the solute?
(p⁰ - p/p⁰) = xsolute . (28 - 26/28) = (2/28) ≈ 0.0714 .
Ref: NCERT Class 12 Chemistry > Chapter 1: Solutions > Topic: Types of Solutions and Expressing Concentration