3) A system with a volume of 100L is initially empty, and then it is filled completely with water. During the process, the temperature remains at 60°C.
a) What is the mass of the water when the system reaches a pressure of 240Kpa?
b) What is the mass of the water when the system is saturated vapor?
c) What fraction of water exists as a liquid when 100kg are put into the system?