A 100.0 mL sample of 0.10 M NH3 is titrated with 0.10 M HNO3.Determine the pH of the solution after the addition of 50.0 mL of HNO3.The Kb of NH3 is 1.8 × 10-5.
A) 4.74
B) 7.78
C) 7.05
D) 9.26
E) 10.34
Correct Answer:
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