8. Phosphoric acid is a triprotic acid, ionizing in the following sequential steps: H,PO, + H̟O H,PO, +H,O" K. 2- H̟PO, +H,0 ĦPO, +H,0' K 2. 3 НРО, + Н.О PO, +H,O" K. Write the sequential steps and the Kb expression for the base, sodium dihydrogen phosphate (NaH PO,)?

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
Problem 63P
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8. Phosphoric acid is a triprotic acid, ionizing in the following
sequential steps:
Н. РО, + Н,О
Н.РО, + НО
K.
2-
НРО, + Н.о
HPO,´+H,O"
K,
4
PO, + H,0'
НРО, + Н.О
Write the sequential steps and the Kb expression for the base,
sodium dihydrogen phosphate (NaH_PO,)?
K.
Transcribed Image Text:8. Phosphoric acid is a triprotic acid, ionizing in the following sequential steps: Н. РО, + Н,О Н.РО, + НО K. 2- НРО, + Н.о HPO,´+H,O" K, 4 PO, + H,0' НРО, + Н.О Write the sequential steps and the Kb expression for the base, sodium dihydrogen phosphate (NaH_PO,)? K.
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