Question

What is the conjugate acid of ${\text{HCO}}_3^{-}$?

Answer 1

A conjugate acid-base pair is an acid-base pair that differs only by one proton.

Conjugate acid

• When a proton is added to a base, a conjugate acid is formed.
• Conjugate acids have one extra proton compared to the species that is forming it.

Conjugate acid of ${\text{HCO}}_3^{-}$

• ${\text{HCO}}_3^{-}$ is a bicarbonate ion.
• The conjugate acid of ${\text{HCO}}_3^{-}$ is ${\mathrm{H}}_2{\mathrm{CO}}_3$.