Question

Dihydrogen phosphate H2PO4-, has an acid dissociation constant of What is the conjugate base of H2PO4- and what is its base dissociation constant?
A) H3PO4, 1.6 106
B) H3PO4, 1.6 10-8
C) HPO42-, 1.6 106
D) HPO42-, 1.6 10-8

Answer

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