Recycle, Bypass, Purge & Gases on Chemical Engineering related Questions and Answers

Question :   What is the total pressure of contained if it contains 0.3 fraction of N2 with partial pressure 8 Pa, 0.3 fraction of H2 with partial pressure 2 Pa, 0.4 fraction of CO2 with partial pressure 15 Pa? 1. 6.4 Pa 2. 7 Pa 3. 8.5 Pa 4. 9 Pa Answer :   4 - 9 Pa