A Room Is Filled with Saturated Moist Air at 20°C

Multiple Choice

A room is filled with saturated moist air at 20°C and a total pressure of 90 kPa. If the mass of dry air in the room is 100 kg, the mass of water vapor is

A) 1.52 kg
B) 2.60 kg
C) 1.62 kg
D) 1.66 kg
E) 4.21 kg