Principles of Anatomy and Physiology 14e with Atlas of the Skeleton Set (14th Edition)

Published by Wiley
ISBN 10: 1-11877-456-6
ISBN 13: 978-1-11877-456-4

Chapter 2 - The Chemical Level of Organization - Figure 2.11 - Page 40: 1

Answer

Calcium carbonate (CaCO3) dissolves to for divalent Calcium cations and divalent anions. Therefore Calcium carbonate is a salt. On the other hand Sulfuric acid forms a sulfate anion and a H+ ion that is a proton donor. Therefore sulfuric acid is an acid.

Work Step by Step

Calcium carbonate is a salt because it dissolves to give cations and anions. but does not form H+ ions or hydroxyl (-OH) ions. Sulfuric acid dissolves in water to give H+ proton donors and sulfate cations. Since sulfuric acid is a proton donor it is an acid. Calcium carbonate, on the other hand, is a salt.
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