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24 August, 05:35

A 20.0-liter flask contains a mixture of argon at 0.72 atmosphere and oxygen at 1.65 atmospheres. What is the total pressure in the flask?

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  1. 24 August, 06:33
    The total pressure of the flask is sum of partial pressures of the gases present in a mixture of gas

    This is Dalton's law of partial pressures.'

    say we have a mixture of "n" gases with respective pressure : P1, P2 ... Pn

    total pressure of the gases = P1 + P2 + P3 + ... Pn = Ptotal

    So in the given problem the total pressure of flask will be = 0.72+1.65 = 2.37 atm
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