Abstract
In order to test further the adherence of solubility products of a 1–2 metal sulfate to an extended Debye-Hückel equation, solubilities of Ag 2SO 4 in NaNO 3H 2O and H 2SO 4H 2O solutions were determined from 0 o to 60°C. These data, agreeing with those at 25°C in the literature, were evaluated to obtain solubility products ( Q sp ) at the several ionic strengths by use of second ionization constants of bisulfate ion ( K 2) and an iterative process. Values of Q sp fitted well to an extended Debye-Hückel equation, yielding solubility product constants ( K sp ) at 0·4–60°C. These values agreed with those of Lietzke and Stoughton at 25–200°C when both sets were calculated using the same values of K 2. Thermodynamic functions for the solubility product constant behavior of silver sulfate from 0 to 200°C are presented for comparison with the previously published values.
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