aprilgee301 aprilgee301 23-01-2024 Chemistry contestada Calculate the mass of NH4Br in grams that must be dissolved in water to prepare a 1 L solution with a pH of 5. (Kb for NH3 = 2 × 10⁻5)A) 4.0 gB) 6.0 gC) 8.0 gD) 10.0 g