Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 14 - Acids and Bases - Questions for Review and Thought - Topical Questions - Page 652a: 13d


Hydrogen carbonate** ($HC{O_3}^-$) is the conjugate partner of $H_2CO_3$ The most common name is bicarbonate.

Work Step by Step

1. Identify if the substance is an acid or a base (or both): - $H_2CO_3$ is an acid. 2. Since $H_2CO_3$ is an acid, remove one proton from it: - Remove one hydrogen and subtract one from the charge: $H_2CO_3 -- \gt HC{O_3}^-$ - This is the conjugate base of $H_2CO_3$. 3. Name it: $C{O_3}^{2-}$: Carbonate ion. $HC{O_3}^- = H^+ + C{O_3}^{2-}$; Therefore: $HC{O_3}^-$: Hydrogen carbonate. ** The most common name for it is "bicarbonate", but the IUPAC recommended is "hydrogen carbonate".
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