A 2.20−g sample of water is injected into an evacuated 2.00−l flask at 45.0°c. what percentage of water will be vapor when the system reaches equilibrium? assume ideal behavior of water vapor and

A 2.20−g sample of water is injected into an evacuated 2.00−l flask at 45.0°c. what percentage of water will be vapor when the system reaches equilibrium? assume ideal behavior of water vapor and that the volume of liquid water is negligible. the vapor pressure of water at 45.0°c is 71.9 mmhg.