The mole fractions of the main components of dry air at sea 0.0093, Xco2 level are xN2 = 0.78, xo2 = 0.21, XAr = = 0.0004. (a) Find the partial pressure of each of these gases in dry air at 1.00 atm and 20°C. (b) Find the mass of each of these gases in a 15 ft x 20 ft × 10 ft room at 20°C if the barometer reads 740 torr and the relative humidity is zero. Also, find the density of the air in the room. Which has a greater mass, you or the air in the room of this problem? %3D

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