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When a 20 mL of 0.08 M weak base BOH is ...

When a 20 mL of 0.08 M weak base BOH is titrated with 0.08 M HCl, the pH of the solution at the end point is 5. What will be the pOH if 10 mL of 0.04 M NaOH is added to the resulting solution?
`[Given : log 2=0.30 and log 3=0.48]`

A

`5.40`

B

`5.88`

C

`4.92`

D

None of these

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