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A buffer solution contains 100 mL of 0.0...

A buffer solution contains 100 mL of 0.01 M `CH_3COOH` and 200 mL of 0.02 M `CH_3COONa`. 700mL of water is added. pH before and after dilution are : `(pK_a=4.74)`

A

5.04,5.04

B

5.04,0.504

C

5.04,1.54

D

5.34,5.34

Text Solution

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The correct Answer is:
D
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