Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 3 Chemical Reactions - Study Questions - Page 137a: 8


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Work Step by Step

The equilibrium for the full ionizations are: $H_3BO_3 (aq)+3\ H_2O(l)\leftrightarrow 3\ H_3O^+(aq)\ +BO_3^{3-}(aq)$ $H_3PO_4 (aq)+3\ H_2O(l)\leftrightarrow 3\ H_3O^+(aq)\ +PO_4^{3-}(aq)$ Since both acids are in the same molar concentration and release the same amount of ions per molecule of acid, the difference in electrical conductivity is explained by the phosphoric acid reaction being more product-favored.
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