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We have a tank that contains O2 at 146 mmHg, N2 at 146 mmHg, and CO2 at 138 mmHg. We then add 135 mmHg of Ar. What is the pressure in the tank?
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A funny way of putting the problem; if you are saying you add enough Ar to make pressure Ar = 135 mm Hg, the total P in the tank is the sum of the partial pressures of each gas.
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