Which pair of substances is capable of forming a buffer in aqueous solution? A) H₃PO₄, Na₃PO₃ B) HNO₃, NaNO₃ C) HCl, NaCl D) H₂CO₃, NaNO₂ E) CH₃COOH, CH₃COONa

Name: Which pair of substances is capable of forming a buffer in aqueous solution? A) H 3 PO 4 , Na 3 PO 3 B) HNO 3 , NaNO 3 C) HCl, NaCl D) H 2 CO 3 , NaNO 2 E) CH 3 COOH, CH 3 COONa
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Question

Quizplus · Accepted Answer

Only option E contains a weak acid (CH3COOH) and its corresponding conjugate base (CH3COO-), which can form a buffer in aqueous solution.

Which Pair of Substances Is Capable of Forming a Buffer