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To prepare a buffer solution of pH=4.04,...

To prepare a buffer solution of pH=4.04, amount of Barium acetate to be added to 100mL of 0.1 M acetic acid solution [ pkb (CH3COO-)=9.26] is:

A

(a) 0.05 mole

B

(b) 0.025 mole

C

(c) 0.1 mole

D

(d) 0.005 mole

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The correct Answer is:
B
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