Multiple Choice
Phosphoric acid is a triprotic acid, ionizing in the following sequential steps: H3PO4 H2O H2PO4 H3O
H2PO4 H2O
HPO42 H3O
HPO42 H2O
PO43 H3O
What is the Kb expression for the base, dihydrogen phosphate?
A)
B)
C)
D)
E)
Correct Answer:

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Correct Answer:
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