Which statements about acid-base equilibria are true? I. The pKa is the negative log10 of the acid equilibrium constant. II. A stronger acid has a pKa with a smaller value than a weaker acid. III. The stronger the base, the smaller the pKa of its conjugate acid. IV. The Ka = K [HA]. I, || II, III, IV I, III ● I, II, III

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Which statements about acid-base equilibria are true?
I. The pKa is the negative log10 of the acid equilibrium constant.
II. A stronger acid has a pKa with a smaller value than a weaker acid.
III. The stronger the base, the smaller the pKa of its conjugate acid.
IV. The Ka = K [HA].
I, ||
II, III, IV
I, III
● I, II, III
Transcribed Image Text:Which statements about acid-base equilibria are true? I. The pKa is the negative log10 of the acid equilibrium constant. II. A stronger acid has a pKa with a smaller value than a weaker acid. III. The stronger the base, the smaller the pKa of its conjugate acid. IV. The Ka = K [HA]. I, || II, III, IV I, III ● I, II, III
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