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AP Chemistry
8.9 Henderson-Hasselbalch Equation
8.7 pH and pKa
8.5 Acid-Base Titrations
IntermediateMCQGraphicalConceptual17.6k
Titration of \(25.0\text{ mL}\) of \(\text{HA(aq)}\) with \(0.100\text{ M }\text{NaOH(aq)}\).
Titration of \(25.0\text{ mL}\) of \(\text{HA(aq)}\) with \(0.100\text{ M }\text{NaOH(aq)}\).
A student titrates a \(25.0\text{ mL}\) sample of an unknown monoprotic weak acid, \(\text{HA}\), with \(0.100\text{ M }\text{NaOH(aq)}\). The titration curve obtained is shown below.

Based on the curve, which of the following correctly estimates the \(pK_a\) of the acid and provides the correct justification?

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