Select the pair of substances in that an acid is listed followed by its conjugate base.
A) H +, HCl
B) NH 3, NH 4 +
C) HPO 4 2−, H 2PO 4 −
D) HCO 3 −, CO 3 2−
E) CH 3COOH, CH 3COOH 2 +
Correct Answer:
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