# Can anyone help me answering this acid/base question?

Explain how a conjugate base is formed. What makes a conjugate base different from an acid?

Audrey,

A conjugate base is formed when an acidic molecule loses an H+ ion. For example, H2CO3 is an acid. When you take away a H+ ion, you form HCO3-, which is a basic species. That means HCO3- is the "conjugate base" of H2CO3. So a conjugate base is just a base that is related to a particular acid, but is missing an H+ ion.
A conjugate base is formed when an acid donates its Hydrogen ion (H+). The acid then turns into a conjugate base, meaning that if you add an H+, you get the acid again.

The conjugate base is what the acid turns into, as well as what can turn into an acid. The differences: they will be on opposite sides of a chemical equation since one turns into the other, and the conjugate base does not have an H+ available to donate.

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