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For preparing a buffer solution of pH=7....

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

A

`H_3PO_4 , H_2PO_4^-`

B

`H_2(PO_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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