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A buffer solution contains 100mL of 0.01...

A buffer solution contains 100mL of 0.01 M `CH_(3)COOH` and 200mL of 0.02 M `CH_(3)COONa`. 700mL of water is added, pH before and after dilution are `(pK_(a)=4.74)`

A

5.04,5.04

B

5.34,6.30

C

5.04,1.54

D

5.34,5.34

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D
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