## Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning

# Chapter 14 - Acids and Bases - Questions for Review and Thought - Topical Questions - Page 652c: 49e

#### Answer

$HNO_3$ is a strong oxoacid.

#### Work Step by Step

To predict if an oxoacid is strong or weak, normally, we just need to calculate the difference between the number of oxygens, and the number of hydrogens: $HNO_3$: 1 "H" and 3 "O" - If that difference is $\geq 2$, this is probably a strong acid, otherwise, it is weak. 3 - 1 = 2 2 $\geq 2$ True Therefore, $HNO_3$ is a strong oxoacid.

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