## Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall

# Chapter 16 - Sections 16.1-16.8 - Exercises - Problems by Topic: 27d

#### Answer

NaNO$_2$ has a common ion with HNO$_2$. The NO$_2$- ion will hinder full dissociation. Hence, the only one to reduce ionization is NaNO$_2$.

#### Work Step by Step

HNO$_2$ will ionize less when it has a common ion with one of the solutions given.

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