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A sample of O2 gas was collected over water at 23ºC and 711 torr. What is the partial pressure of the O2? (The vapor pressure of water at 23ºC is 21.2 torr.)

Partial pressure of O2:_____torr

  • chem -

    I answered this below.
    Remember Dalton's Law.
    Ptotal = PO2 + PH2O

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