Question

What is the fraction of a gas in a system with partial pressure 10 mm Hg, H = 25 mm Hg?

(a) 0.1

(b) 0.2

(c) 0.3

(d) 0.4

The question was asked in my homework.

My enquiry is from Vapor-Liquid Equilibria in Binary Systems in division Two Phase Gas – Liquid Systems, Phase Rule and Vapor-Liquid Equilibria of Basic Chemical Engineering

Answer 1

Right answer is (d) 0.4

Easiest explanation: Fraction of a gas = 10/25 = 0.4.