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pOH of a 0.004M aqueous solution of dia...

`pOH` of a `0.004M `aqueous solution of diacidic weak base `B (pK_(b_(1))=3.7&pK_(b_(2))=7.3)` is:

A

`3.05`

B

`3.1`

C

`0.65`

D

`3.15`

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