Energy, Spectroscopy, and Solid State Chemistry (CHEM2017 UNUK) (FYR1 24 25) Thermodynamics Quiz

At 25 oC, the vapour pressure of water is 3.1 kPa and the vapour pressure of ethanol is 7.6 kPa. What is the approximate pressure of gas at equilibrium with a liquid mixture of composition 80% water a...