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How much ml of 0.3 M NH(4)OH should be ...

How much ml of `0.3 M NH_(4)OH` should be mixed with `30mL` of `0.2M` solution of `NH_(4)Cl` to given buffer solution of `pH 8.65?` (pKb =4.74)

A

2 mL

B

3 mL

C

5 mL

D

7 mL

Text Solution

Verified by Experts

The correct Answer is:
C
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