Equal volumes of the following pairs of solutions are mixed. Which pair will produce a buffer solution? A)0.10 mol L ⁻¹ HCl and 0.05 mol L ⁻¹ NaOH B)0.10 mol L ⁻¹ HCl and 0.15 mol L ⁻¹ NH ₃ C)0.10 mol L ⁻¹ HCl and 0.05 mol L ⁻¹ NH ₃ D)0.10 mol L ⁻¹ HCl and 0.20 mol L ⁻¹ CH ₃COOH E)0.10 mol L ⁻¹ HCl and 0.20 mol L ⁻¹ NaCl

Question

Quizplus · Accepted Answer

A buffer solution is formed when a weak base and its conjugate acid are present in solution. Mixing HCl and NH3 in the given concentrations will result in the formation of NH4Cl, creating a buffer solution.

Equal Volumes of the Following Pairs of Solutions Are Mixed