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  1. For water at 300°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions, one mole of water in liquid phase has a volume of 25.28 cm³ and that in vapour phase in 391.1 cm³.Fugacity of water (in kPa) at 9000 kPa will be

  2. A.

     6738.9

    B.

     6753.5

    C.

     7058.3

    D.

     9000

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    Answer : Option B

    Explanation :

    We know \ln \left( {\frac{f}{{{f^{sat}}}}} \right) = \frac{v}{{RT}}\left( {p - {p^{sat}}} \right)      substituting the suitable values we will get f=6753.5


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