Liquid Systems and Vapor-Liquid Equilibria on Chemical Engineering related Questions and Answers

Question :   What is the vapor pressure of 40% gas in a system with partial pressure 20 mm Hg? 1. 5 mm Hg 2. 10 mm Hg 3. 20 mm Hg 4. 50 mm Hg Answer :   4 - 50 mm Hg