ACTIVITY
ACTIVITY. Activity Coefficients. No direct way to measure the effect of a single ion in solution (charge balance) Mean Ion Activity Coefficients – determined for a salt (KCl, MgSO 4 , etc.) g ±KCl = [( g K )( g Cl )] 1/2 K sp = g ±KCl 2 (mK + )(mCl - )
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