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The state in which both reactants and products are present at concentrations which have no further tendency to change with time.

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Calculation of Degree of Dissociation from Ostwald's Dilution Law

A "weak" electrolyte, $\ce{A+B-}$, ionizes in solution as: $$\ce{AB <=> A+ + B-}\tag{1}$$ $$ K_d =\dfrac{\ce{[A+][B-]}}{\ce{[AB]}}=\dfrac{(\alpha c_{0})(\alpha c_{0})}{(1-\alpha )c_{0}}=\dfrac{\alp …
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