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 CH ₃COOH and 25. mL of aqueous HCl B)50. mL of aqueous CH ₃COOH and 100. mL of aqueous NaOH C)50. mL of aqueous NaOH and 25. mL of aqueous HCl D)50. mL of aqueous CH ₃COONa and 25. mL of aqueous NaOH E)50. mL of aqueous CH ₃COOH and 25. mL of aqueous CH ₃COONa

Question

Quizplus · Accepted Answer

A buffer solution is made from a weak acid and its conjugate base or a weak base and its conjugate acid. Choice E involves mixing acetic acid (CH3COOH) with its conjugate base, sodium acetate (CH3COONa), which will form a buffer solution.

Which One of the Following Pairs of 0