sgalvis2715 sgalvis2715 09-02-2024 Chemistry contestada Calculate the pH of a buffer prepared by mixing 300 cc of 0.3 M NH₃ and 500 cc of 0.5 M NH₄Cl. Kb for NH₃=1.8×10⁻⁵A. 8.1187B. None of theseC. 9.8117D. 8.8117