Calculate the pH of a solution formed by mixing 250.0 mL of 0.15 M NH4Cl with 200.0 mL of 0.12 M NH3.The Kb for NH3 is 1.8 × 10-5.
A) 9.06
B) 9.45
C) 4.55
D) 4.74
E) 9.26
Correct Answer:
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