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A mixture of He, N2, and Ar has a pressure of 14.2 atm at 28.0 °C. If the partial pressure of He is 1525 torr and that of Ar is 2807 mm Hg, what is the partial pressure of N2?

  • chemistry -

    Ptotal = pHe + pN2 + pAr
    You know all but one unknown.
    Be careful with the units. Ptotal is in atm and the gases are given in torr (and mm but 1 mm = 1 torr)

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