What is the pH of a buffer solution in which [HA] = [A^-]?

Name: What is the pH of a buffer solution in which [HA] = [A - ]?
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Quizplus · Accepted Answer

The pH of a buffer solution where the concentration of the acid [HA] equals the concentration of its conjugate base [A-] is equal to the pKa of the acid. This is derived from the Henderson-Hasselbalch equation: pH = pKa + log([A-]/[HA]), which simplifies to pH = pKa when [A-] = [HA].

What Is the PH of a Buffer Solution in Which