When an acid reacts in a reaction, it donates hydrogen ion as the only positive ion.
According to Bronsted-Lowry's definition, an acid is a substance that donates hydrogen ions as the only positive ion in reactions.
Following this definition, it can be concluded that when an acid reacts with another substance, it donates one or more hydrogen ions.
A good example is shown in the equation below:
[tex]HCl + KOH --- > KCl + H_2O[/tex]
In the reaction above, HCl donated a hydrogen ion.
More on acids can be found here: https://brainly.com/question/14072179
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