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 652d: 70c


The pH of a $NaNO_3$ solution will be equal to 7. This happens because, this salt is formed by a insignificant acid $(Na^+)$ and an insignificant base $(N{O_3}^-)$, therefore, the solution is neutral.

Work Step by Step

To predict the pH range of an salt: 1. Identify the ions that form this salt, and compare their strengths: 1 $Na^{+}$: Conjugate acid of a strong base $(NaOH)$: Insignificant acid. 1 $N{O_3}^-$: Conjugate base of a strong acid $(HNO_3)$: Insignificant base. Since there is no significant electrolyte, the solution is neutral.
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