A 8.65-l container holds a mixture of two gases at 31, Ask an Expert

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A 8.65-L container holds a mixture of two gases at 31 °C. The partial pressures of gas A and gas B, respectively, are 0.206 atm and 0.867 atm. If 0.200 mol a third gas is added with no change in volume or temperature, what will the total pressure become?

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