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    Degrees of freedom of a saturated solution

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    A saturated solution of Na2SO4 with excess of the solid is present in equilibrium with its vapor in a closed vessel. Calculate the number of degrees of freedom, f, of the system. Ignore the autoprotolysis of water and assume that the salt solvates without ionizing.

    F = c - p +2 or use f = c-p +2 -r -a

    c = chem species
    p = phases
    r = independant chemical reactions
    a = additional restrictions

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    Solution Summary

    Solution provides a calculation of the degrees of freedom, with the assumption that the salt solvates without ionizing.