The imidazolium ion has a pKa = 7.0.Imidazolium buffers can be prepared for pH values of
A) 6.5 to 7.5.
B) 6.1 to 7.1.
C) 5.5 to 8.5.
D) 6.0 to 8.0.
E) 6.0 to 7.5.
Correct Answer:
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