Diprotic Acid Definition

By
Anne Marie Helmenstine, Ph.D.
Anne Marie Helmenstine, Ph.D.
Chemistry Expert
  • Ph.D., Biomedical Sciences, University of Tennessee at Knoxville
  • B.A., Physics and Mathematics, Hastings College
Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels.
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Updated on July 03, 2019
Nitric acid
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Discover Monoprotic Acids' Simple Nature
By Anne Marie Helmenstine, Ph.D.

Definition: A diprotic acid is an acid that can donate two proton or hydrogen atom per molecule to an aqueous solution. Compare this to a monoprotic acid.

Examples: Sulfuric acid (H2SO4) is a diprotic acid.

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Helmenstine, Anne Marie, Ph.D. "Diprotic Acid Definition." ThoughtCo, Jun. 25, 2024, thoughtco.com/definition-of-diprotic-acid-605032. Helmenstine, Anne Marie, Ph.D. (2024, June 25). Diprotic Acid Definition. Retrieved from https://www.thoughtco.com/definition-of-diprotic-acid-605032 Helmenstine, Anne Marie, Ph.D. "Diprotic Acid Definition." ThoughtCo. https://www.thoughtco.com/definition-of-diprotic-acid-605032 (accessed July 20, 2024).