What is the pH of a buffer system prepared by dissolving 10.70 grams of NH4Cl and 25.00 mL of 12 mol L-1 NH3 in enough water to make 1.000 L of solution?
Kb = 1.80 × 10-5 for NH3.
A) 9.08
B) 9.26
C) 9.43
D) 11.32
Correct Answer:
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