QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
# What is the conjugate acid of $\mathrm{HCO}_{3}^{-}$?
A. $\mathrm{OH}^{-}$
B. $\mathrm{H}_{2} \mathrm{CO}_{3}$
C. $\mathrm{CO}_{3}^{2 -}$
D. $\mathrm{H}_{2} \mathrm{O}$
E. $\mathrm{H}_{3} \mathrm{O}^{+}$
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Step 1: Identify the acid and its charge
The given acid is $\mathrm{HCO}_{3}^{-}$.
It has a charge of - 1.
Step 2: Understand conjugate acid-base pairs
A conjugate acid-base pair differs by only one proton (H+). The conjugate base of an acid is formed when the acid donates a proton (gains a hydrogen ion), and the conjugate acid of a base is formed when the base accepts a proton (loses a hydrogen ion).
Final Answer
The conjugate acid of $\mathrm{HCO}_{3}^{-}$ is $\mathrm{H}_{2} \mathrm{CO}_{3}$.
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