# chemistry

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What is the total pressure of a gas mixture that contains hydrogen at 0.45 atm, nitrogen at 0.25 atm, and argon at 0.60atm?

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Dalton's law of partial pressures tells that the total pressure is the sum of the partial pressures. Therefore,
Ptotal = 0.45 atm + 0.25 atm + 0.60 atm = ??

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