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

Verified
Correct Answer:
Verified
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