The partial pressure can be determined using the ratios of the number of particles (NOT the mass!).Pressure of O(2) = 20% of 0.56 atm = 0.112 atm Pressure of H(2) = 30% of 0.56 atm = 0.168 atm Pressure of N(2) = 50% of 0.56 atm = 0.28 atmStates of MatterThere are three ...