Rewrite the Ka expressions as log expressions for the following chemical reactions H3PO4 (aq) + H2O (l) = H2PO4- (aq) + H3O+ (aq); Ka1 for phosphoric acid H2PO4-(aq) + H2O (l) = HPO42- (aq) + H3O+ (aq); Ka2 for phosphoric acid HPO42-(aq) + H2O (l) = PO43- (aq) + H3O+ (aq); Ka3 for phosphoric acid

Rewrite the Ka expressions as log expressions for the following chemical reactions H3PO4 (aq) + H2O (l) = H2PO4- (aq) + H3O+ (aq); Ka1 for phosphoric acid H2PO4-(aq) + H2O (l) = HPO42- (aq) + H3O+ (aq); Ka2 for phosphoric acid HPO42-(aq) + H2O (l) = PO43- (aq) + H3O+ (aq); Ka3 for phosphoric acid

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter23: Potentiometry

Section: Chapter Questions

Problem 23.11QAP

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

Rewrite the Ka expressions as log expressions for the following chemical reactions

H3PO4 (aq) + H2O (l) = H2PO4- (aq) + H3O+ (aq); Ka1 for phosphoric acid

H2PO4-(aq) + H2O (l) = HPO42- (aq) + H3O+ (aq); Ka2 for phosphoric acid

HPO42-(aq) + H2O (l) = PO43- (aq) + H3O+ (aq); Ka3 for phosphoric acid

Definition Definition Transformation of a chemical species into another chemical species. A chemical reaction consists of breaking existing bonds and forming new ones by changing the position of electrons. These reactions are best explained using a chemical equation.

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