SOLUBILITY, IONIC STRENGTH AND ACTIVITY COEFFICIENTS ...
of interest and also on the diameters of ions of opposite sign that may be present in the solution. For aqueous solutions at 25oC, the value of A is 0.509; for Ca(IO 3) 2 with KCl ions, a value of B = 1.09 at 25oC seems to give the best value of the slope. Combining Eq. (8) for the (+) and (-) ions gives Eq. (10) for γ ±. Correspondingly Eq ...
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