Which of the following solutions represents a good buffer system? A) a solution that is 0.10 mol L^-1 CH₃COOH and 0.10 mol L^-¹ CH₃COOLi B) a solution that is 0.10 mol L^-1 HF and 0.10 mol L^-1 CH₃COONa C) a solution that is 0.10 mol L^-1 HCl and 0.10 mol L^-1 NH₄⁺ D) a solution that is 0.10 mol L^-1 NaOH and 0.10 mol L^-1 KOH E) a solution that is 0.10 mol L^-1 HCl and 0.10 mol L^-1 KCl

Question

Quizplus · Accepted Answer

A good buffer system consists of a weak acid and its conjugate base or a weak base and its conjugate acid. Option A has acetic acid (CH₃COOH) and its conjugate base (CH₃COO⁻ from CH₃COOLi), making it a suitable buffer system.

Which of the Following Solutions Represents a Good Buffer System