Phosphoric Acid Is a Triprotic Acid, Ionizing in the Following

question 71

Multiple Choice

Phosphoric acid is a triprotic acid, ionizing in the following sequential steps: H₃PO₄  H₂O H₂PO₄^  H₃O^ H₂PO₄^  H₂O HPO₄^2  H₃O^ HPO₄^2  H₂O PO₄^3  H₃O^ What is the K_b expression for the base, sodium phosphate?

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