Chemistry · Ionic Equilibrium
Which of the following weak acids (along with its conjugate base salt) is best suited to prepare a buffer solution with an effective pH of 4.5?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Acid D, Ka = 2.3 × 10-9
- 2Acid C, Ka = 1.8 × 10-5✓
- 3Acid B, Ka = 2.9 × 10-4
- 4Acid A, Ka = 1.0 × 10-3
Correct answer
Acid C, Ka = 1.8 × 10-5
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