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MHT CET 2025 Chemistry question

ChemistryEquilibriumMHT CET 2025

Find the concentration of sodium acetate when added to 0.1 M solution of acetic acid to form a buffer solution of pH = 5.5? (pK of CHCOOH = 4.5)

Answer: (C)

Solution

For an acidic buffer, the Henderson-Hasselbalch equation is . Substituting: , so

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Question ID VK-103268