What is the conjugate acid of H2PO4-?
Understand the Problem
The question is asking for the conjugate acid of the dihydrogen phosphate ion, H2PO4-. In acid-base chemistry, the conjugate acid of a base is formed by adding a proton (H+) to the base. Here, we need to determine what species is formed when H2PO4- accepts a proton.
Answer
H3PO4
The final answer is H3PO4
Answer for screen readers
The final answer is H3PO4
More Information
In the Brønsted-Lowry theory, the conjugate acid of a base is formed by adding a proton (H+) to it.
Tips
A common mistake is to confuse the conjugate acid with the conjugate base, which in this case would be formed by removing a proton from the species.
Sources
- Brønsted-Lowry Acids and Bases - Purdue University - chem.purdue.edu
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