The Solubility of Potassium Sulfate in Thermodynamic view

Subject Areas : Journal of Physical & Theoretical Chemistry

Received: 2015-05-09 Accepted : 2015-05-09 Published : 2008-08-01

Keywords: Solubility product, Activity coefficient, Non ideality,

Abstract :

The solubility of K2SO4 in water at 25°C was determined. Comparing the value ofthermodynamic solubility product constant, Ksp(th), (Ksp(th) = exp (-ΔGodiss RT) of the mentionedsalt to the value of concentration solubility product, Ksp(c) which is obtained from the observedsolubility, s/moL-1, Ksp(c) = 4s3, revealed a great difference. The difference can be satisfactorilyexplained using Debye- HOckel law and ion assocaition phenomenon.

References:

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The Solubility of Potassium Sulfate in Thermodynamic view