chemistry

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a pressure of 96.5Kpa is exerted by a mixture of nitrogen gas and water vapor in a equilibrium with liquid water at 18 degree celcius , what is the partial pressure exerted by the nitrogen gas?

  • chemistry -

    Look up the vapor pressure of H2O at 18 C. This is the partial pressure of H2O at that T.
    Ptotal = pN2 + pH2O.
    You know Ptotal and pH2O. Solve for pN2.

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