What is the solution pH when 0.10 mol of H+ is added to a 2.0-liter buffered solution created from 0.45 M NH3 (Kb = 1.8 10-5) and 0.26 M NH4F.
A) 8.07
B) 4.63
C) 9.37
D) 10.34
E) 4.85
Correct Answer:
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