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0.01 M HA (aq.) is 2% dissociated, [OH^(...

`0.01` M HA (aq.) is `2%` dissociated, `[OH^(-)]` of solution is :

A

`2xx10^(-4)`

B

`10^(-8)`

C

`5xx10^(-11)`

D

`2xx10^(-12)`

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