Activity and Concentration
But ions don’t behave ideally . . . •Concentration related to activity using the activity coefficient γ, where [a] = γ (c) •The value of γ depends on: –Concentration of ions and charge in the solution –Charge of the ion –Diameter of the ion •Ionic strength, I = concentration of ions and charge in solution I = 1/2 Σm i z i 2 ...
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