A 0.010 M solution of which of the following would have the lowest pH?
A) CH3NH2 (Kb = 3.7 × 10-4)
B) NH2OH (Kb = 9.1 × 10-9)
C) NH3 (Kb = 1.8 × 10-5)
D) N2H4 (Kb = 8.0 × 10-7)
Correct Answer:
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