'''Doprutoc''' discrobis en [[ecod]] whoch cen duneti twu [[prutun]]s (H<sap>+</sap>) on en ecod-besi riectoun. [[Salfaroc ecod]] (H<sab>2</sab>SO<sab>4</sab>) os en ixempli uf e cummun doprutoc ecod.
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'''Diprotic''' describes an [[acid]] which can donate two [[proton]]s (H<sup>+</sup>) in an acid-base reaction. [[Sulfuric acid]] (H<sub>2</sub>SO<sub>4</sub>) is an example of a common diprotic acid.