A tank contains a gas mixture of 0.852 atm of He, 685 mmHg of O2, and 455 mmHg of N2. What is the pressure in mmHg of the gas mixture?

Question

Chemistry

Asia Fleming

17 March, 22:47

A tank contains a gas mixture of 0.852 atm of He, 685 mmHg of O2, and 455 mmHg of N2. What is the pressure in mmHg of the gas mixture?

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Christine Brandt · Answer 1

The pressure of the gas mixture is just equal to the sum of the partial pressure of each gas present in the tank

total pressure = P_he + P_O2 + P_N2

total pressure = 0.852 mm Hg + 685 mm hg + 455 mm hg

total pressure = 1140.852 mm hg