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A solution containing a weak acid and it...

A solution containing a weak acid and its conjugate base acts as an acidic buffer. In a buffer the dissociation of the weak acid is suppressed by its conjugate base. `(K_(1),K_(2),` and `K_(3)` of `H_(3)PO_(4)`, are `10^(-4), 10^(-8), 10^(-13)` respectively
What is the `pH` of a solution obtained by mixing 100ml of `0.1 MH_(3) PO_(4)`, and 150ml of `0.IM NaOH`

A

50 ml

B

150 ml

C

200 ml

D

250 ml

Text Solution

Verified by Experts

The correct Answer is:
C
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