What is the Conjugate Acid of H2PO4?

[bayan]

Hi there.

What is the conjugate acid of H2PO4. And what does it mean.

H3PO4 or HPO4


I got it. It means when a base gains a hydrogen ION. H3PO4 is the right answer isn't it.

 

[tiroger]

You got it.

 

[ravenprp]

Yes, H3PO4 is the correct answer. The conjugate acid of H2PO4 is H3PO4, as it is formed when the H2PO4 ion gains a hydrogen ion. This process is known as protonation, where a base gains a proton (hydrogen ion) to become its conjugate acid. In this case, H2PO4 is acting as a base by accepting a proton to form its conjugate acid, H3PO4. This can also be represented as H2PO4- + H+ → H3PO4.