The total pressure of a gas mixture is 1000 torr. The gas is a mixture of four other gases: P1, P2, P3, P4. The first gas, P1 has a pressure of 200 torr. P2 has a pressure of 200 torr. P;3 has a pressure of 200 torr, and the pressure of P4 is unknown.calculate the pressure of p4
Calculate the pressure of Pa