# Chapter 15 - Sections 15.1-15.12 - Exercises - Problems by Topic - Page 746: 38d

$HCO_{3}^-$ is the conjugate acid of $CO_{3}^{2-}$

#### Work Step by Step

A conjugate acid is any base to which a proton has been added. So, $HCO_{3}^-$ is the conjugate acid.

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