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For preparing a buffer solution of pH = ...

For preparing a buffer solution of pH = 7.0 which buffer system you will choose?

A

`H_3PO_4,H_2PO_4^-`

B

`H_2PO_4^-,HPO_4^(2-)`

C

`HPO_4^(2-),PO_4^(3-)`

D

`H_3PO_4,PO_4^(3-)`

Text Solution

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The correct Answer is:
B
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