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Answer on Physical Chemistry Question for Jared

Question #25299
Determine the total pressure of a gas mixture that contains oxygen at a pressure of 150. mmHg, nitrogen at 350.mmHg pressure, and helium at a pressure of 200.mmHg. Give your answer in mmHg and in atm.
Expert's answer
Total pressure is the sum of all partial pressures of all components:

150 mmHg + 350 mmHg + 200 mmHg = 700 mmHg

700 mmhg = 0.92 atm

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