AP Chemistry
8.7 pH and pKa
8.5 Acid-Base Titrations
8.4 Acid-Base Reactions and Buffers
A student titrates a \(50.0 \text{ mL}\) sample of \(0.10 \text{ M HA(aq)}\) (\(K_a = 1.0 \times 10^{-5}\)) with \(0.10 \text{ M NaOH(aq)}\) at \(25\ ^\circ\text{C}\). After the addition of \(15.0 \text{ mL}\) of \(0.10 \text{ M NaOH(aq)}\), which of the following lists the species in order of decreasing molar concentration in the resulting solution?
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