Which one of the following pairs of 0.100 mol L^-1 solutions, when mixed, will produce a buffer solution? A) 50. mL of aqueous CH₃COOH and 25. mL of aqueous HCl B) 50. mL of aqueous CH₃COOH and 100. mL of aqueous NaOH C) 50. mL of aqueous NaOH and 25. mL of aqueous HCl D) 50. mL of aqueous CH₃COONa and 25. mL of aqueous NaOH E) 50. mL of aqueous CH₃COOH and 25. mL of aqueous CH₃COONa

Question

Quizplus · Accepted Answer

A buffer solution is formed when a weak acid and its conjugate base are present in solution. Mixing CH₃COOH (acetic acid) with CH₃COONa (sodium acetate) creates such a buffer.

Which One of the Following Pairs of 0