A sample of oxygen gas is collected over water using the same procedure you will use in this experiment. The system is equalized and the temperature of both the water and the gas is 22 degree C. The atmospheric pressure is 745 mm Hg. what is the pressure of the O_2 gas in the flask if the vapor pressure of water at 22 degree C is 19.827 mm Hg? Use the data below to answer the following: