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The first and second dissociation consta...

The first and second dissociation constant of an acid `H_(2)A` are `1.0xx10^(-5)` and `5.0xx10^(-10)` repectively. The overall dissociation constant of the acid will be

A

`5.0xx10^(-15)`

B

`0.2xx10^(5)`

C

`5.0xx10^(-5)`

D

`5.0xx10^(15)`

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a
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