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What is dissociation constant of a weak acid (K_(a)). |
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Answer» Solution :DISSOCIATION constant of a weak ACID is the ratio of the product of molar CONCENTRATIONS of the products of ionisation to the molar CONCENTRATION of the un-ionised acid medium. For a reaction `HA+H_(2)OhArrH_(3)O^(+)+A^(-)` `K_(a)=([H_(3)O^(+)][A^(-)])/([HA])`. |
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