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At 25^(@)C, K(sp) for PbBr(2) is equal t...

At `25^(@)`C, `K_(sp)` for `PbBr_(2)` is equal to `8xx10^(-5)`. If the salt is `80%` dissociated, What is the solubility of `PbBr_(2)` in mol//litre?

A

`[(10^(-4))/(1.6xx1.6)]^(1//3)`

B

`[(10^(-5))/(1.6xx1.6)]^(1//3)`

C

`[(10^(-4))/(0.8xx0.8)]^(1//3)`

D

`[(10^(-5))/(1.6xx1.6)]^(1//2)`

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