Multiple Choice
A 0.0678 M solution of a weak base has a pH of 9.44.What is the identity of the weak base?
Weak Base
Kb
Ethylamine (CH3CH2NH2)
4) 7 × 10-4
Hydrazine (N2H4)
1) 7 × 10-6
Hydroxylamine (NH2OH)
1) 1 × 10-8
Pyridine (C5H5N)
1) 4 × 10-9
Aniline (C6H5NH2)
4) 2 × 10-10
A) hydrazine
B) pyridine
C) ethylamine
D) hydroxylamine
E) aniline
Correct Answer:

Verified
Correct Answer:
Verified
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