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When 0.1 mole of NH3 is dissolved in wat...

When 0.1 mole of `NH_3` is dissolved in water to make 1.0 L of solution.the `[OH^-]` of solution is `1.34 xx 10^(-3)` M . Calculate `K_b` for `NH_3`.

A

`1.8 xx 10^(-5)`

B

`2.8 xx 10^(-5)`

C

`1.8 xx 10^(-7)`

D

`2.8 xx 10^(-7)`

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A
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