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What Is the Henderson-Hasselbalch Equation for the Acidic Buffer HA/A^-

Question 95

Multiple Choice

What is the Henderson-Hasselbalch equation for the acidic buffer HA/A^-?

A) pH = -log[H₃O⁺]
B) pH = 14 - pOH
C) pH = pK_a + log{[A^-]/[HA]}
D) pH = pK_a - log{[A^-]/[HA]}

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