1. Which of the following mixtures would result in a buffered solution? A) Mixing 100.0 mL of 0.100 M HCl with 100.0 mL of 0.100 M NaOH. B) Mixing 100.0 mL of 0.100 M NH3 (Kb = 1.8 × 10–5) with 100.0 mL of 0.100 M NaOH. C) Mixing 100.0 mL of 0.100 M HCl with 100.0 mL of 0.100 M NH3 (Kb = 1.8 × 10–5). D) Mixing 50.0 mL of 0.100 M HCl with 100.0 mL of 0.100 M NH3 (Kb = 1.8 × 10–5). E) At least two of the above mixtures would result in a buffered solution.