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The pH of the resultant solution of 20 m...

The pH of the resultant solution of 20 mL of 0.1 M `H_(3)PO_(4)` and 20 mL of 0.1 M `Na_(3)PO_(4)` is :

A

`pK_(a_(1)) + "log"2`

B

`pK_(a_(1))`

C

`pK_(a_(2))`

D

`(pK_(a_(1)) + pK_(a_(2)))/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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