michellecrystal306 michellecrystal306

13-11-2021
Chemistry

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Using chemical equations, show how the triprotic acid H3PO4 ionizes in water. Phases are optional.

Ka1:

Ka2:

Ka3:

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hhapua2002 hhapua2002

14-11-2021

Explanation:

H3PO4 is a weak acid so it partially dissociates in water

Ka1

H3PO4 (aq) + H2O(l) <----> H2PO4-(aq) + H3O+ (aq)

Ka2

H2PO4- (aq) + H2O(l) <----> HPO4 2- (aq) + H3O+ (aq)

Ka3

HPO4 2- (aq) + H2O(l) < ---> PO4 3- (aq) + H3O+ (aq)

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