Which of the following solutions can function as a buffer? A) a solution containing HCl and NaCl B) a solution containing NaOH and NaCl C) a solution containing HC₂H₃O₂ and NaC₂H₃O₂ D) all of these

Question

Quizplus · Accepted Answer

A buffer solution consists of a weak acid and its conjugate base or a weak base and its conjugate acid. Choice C, containing HC₂H₃O₂ (a weak acid) and NaC₂H₃O₂ (its conjugate base), fits this definition. Choices A and B involve strong acids or bases with their salts, which do not form buffer systems.

Which of the Following Solutions Can Function as a Buffer