A solution is made by mixing 41.0 mL of ethanol, C2H6O, and 59.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C? Values at 20 C: ethanol, density = 0.789 g/mL, VP = 43.9 torr water, density = 0.998 g/ml, VP = 17.5 torr