200 mL of 0.4 M solution of CH3COONa is mixed with 400 mL of 0.2 M solution of CH3COOH. After complete mixing, 400 mL of 0.1 M NaCl is added to it. What is the pH of the resulting solution? [Ka of CH3

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200 mL of 0.4 M solution of CH3COONa is mixed with 400 mL of 0.2 M solution of CH3COOH. After complete mixing, 400 mL of 0.1 M NaCl is added to it. What is the pH of the resulting solution? [Ka of CH3COOH = 10^-5]

Prashant Kotian · Accepted Answer

Correct answer: C.     3 Ka 3 CH COONa 200

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