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13 April, 16:08

The acid dissociation constant ka for an unknown acid ha is 4.57 x 10^-3 what is the base dissociation constant kb for th econjugate base of the acid anion a-

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  1. 13 April, 18:27
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    2.19 x 10^-12.

    Explanation:-

    The relation between Ka and Kb for an acid and it's conjugate base is

    Ka x Kb = Kw where Kw = ionic product of water.

    So Kb = 10^-14 / (4.57 x 10 ^ - 3)

    = 2.19 x 10^-12
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