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What is the conjugate base of CO3-2?

User Maumercado
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Let's talk about the conjugate bases:

A conjugate base is the base member, X-, of a pair of compounds that transform into each other by gaining or losing a proton. The conjugate base is able to gain or absorb a proton in a chemical reaction. The conjugate acid donates the proton or hydrogen in the reaction.

In this question, we're asked to find the conjugate base of the ion:

As we can notice, the ion (CO3)2- would not have a conjugate base, as it cannot lose any more hydrogen atoms. A correct statement could be that it is a conjugate base of a hydrogencarbonate.

Therefore, (CO3)2- ion has not a conjugate base because it actually is a conjugate base of a hydrogencarbonate.

What is the conjugate base of CO3-2?-example-1
User Jeffrey Cordero
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