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Calculate K for the reaction, A^(-)+H(3)...

Calculate K for the reaction, `A^(-)+H_(3)^(+)O hArr HA+H_(2)O`
if `K_(a)` value for the acid HA is `1.0xx10^(-6)`.

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`HA+H_(2)hArr A^(-)H_(3)O^(+)` , `(K_(a)= 1.0xx10^(-6))`
Thus, `K= (1)/(K_(a))= 1.0xx10^(6)`
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