What Is the Equilibrium Partial Pressure of Water Vapor Above

Multiple Choice

What is the equilibrium partial pressure of water vapor above a mixture of 37.5 g H₂O and 62.5 g HOCH₂CH₂OH at 55 °C.The partial pressure of pure water at 55.0 °C is 118.0 mm Hg.Assume ideal behavior for the solution.

A) 3.54 mm Hg
B) 31.7 mm Hg
C) 38.5 mm Hg
D) 79.5 mm Hg
E) 175 mm Hg