Which,if any,of the following aqueous mixtures would be a buffer system? A)CH₃COOH,NaH₂PO₄ B)H₂CO₃,HCO₃^- C)H₂PO₄^-,HCO₃^- D)HSO₄^-,HSO₃^- E)None of these will be a buffer solution.

Question

Quizplus · Accepted Answer

A buffer system consists of a weak acid and its conjugate base, or a weak base and its conjugate acid. In option B, H₂CO₃ is a weak acid and HCO₃^- is its conjugate base, making it a buffer system. The other options do not have a weak acid and its conjugate base or a weak base and its conjugate acid pair.

Which,if Any,of the Following Aqueous Mixtures Would Be a Buffer