H3PO3 is a diprotic weak acid.What is the balanced equilibrium defined as Kb2 of H3PO3?
A) H3PO3(aq) + H2O(l) H3O+(aq) + H2PO3-(aq)
B) H2PO3-(aq) + H2O(l) H3O+(aq) + HPO32-(aq)
C) HPO32-(aq) + H2O(l) OH-(l) + H2PO3-(aq)
D) H2PO3-(aq) + H2O(l) OH-(l) + H3PO3(aq)
E) HPO32-(aq) + H2O(l) OH-(aq) + H3PO3(aq)
Correct Answer:
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