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 g
B) 6.0 g
C) 8.0 g
D) 10.0 g

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