A hydrogen electrode placed in a buffer solution of CH3COONa and CH3CO – InterviewSolution

1.	A hydrogen electrode placed in a buffer solution of CH3COONa and CH3COOH in the molar ratios x : y and y : x has oxidation potentials E1 and E2 volts respectively at 298 K,(pH2=1atm). The pKa a value of acetic acid will be given by
Answer» A hydrogen electrode placed in a buffer solution of $C H_{3} C O O N a$ and $C H_{3} C O O H$ in the molar ratios x : y and y : x has oxidation potentials $E_{1}$ and $E_{2}$ volts respectively at 298 $K, (p_{H_{2}} = 1 a t m)$ . The $p K_{a}$ a value of acetic acid will be given by

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