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MHT CET 2023 Chemistry question

ChemistryEquilibriumMHT CET 2023

A buffer solution is prepared by mixing equimolar acetic acid and sodium acetate. If 'K' of acetic acid find the pH of buffer solution

Answer: (A)

Solution

For an acidic buffer, the Henderson-Hasselbalch equation gives . With equimolar acid and salt (same volume), and , so .

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Question ID VK-098027