Skip to content

Question

What is the mole fraction of a solute if the vapor pressure of a solution is 28 mm Hg and that of pure solvent is 30 mm Hg?

Options

Choose one · Correct answer highlighted

Explanation

(p⁰ - p/p⁰) = xsolute . (30 - 28/30) = (2/30) ≈ 0.0667 .