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When solid lead iodide is added to water...

When solid lead iodide is added to water, the equilibrium concentration of `I^(-)` becomes `2.6 xx 10^(-3)M` . What is the `K_(sp)` for `PbI_(2)` ?

A

`2.2xx10^(-9)`

B

`8.8xx10^(-9)`

C

`1.8xx10^(-8)`

D

`3.5xx10^(-8)`

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The correct Answer is:
B
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