18th November 2019


What is an example of an acid and a base?

Acids in food such as vinegar (acetic acid), soda water (carbonic acid) and lemon juice (citric acid) are weak acids. Some acids can lose more than one proton. For example, carbonic acid can lose two protons, while citric and phosphoric acids can lose three. Bases, called alkalis if an OH- is involved, accept protons.

What is the meaning of acid and base?

A Brønsted-Lowry acid is defined as a compound that gives hydronium ions to another compound—for example, hydrochloric acid gives H+ ions to compounds it reacts with. Brønsted-Lowry bases are compounds that can accept hydronium ions—when ammonia gets a hydronium ion from HCl, it forms the ammonium ion.

What makes an acid or a base?

Because of this, when an acid is dissolved in water, the balance between hydrogen ions and hydroxide ions is shifted. Now there are more hydrogen ions than hydroxide ions in the solution. This kind of solution is acidic. A base is a substance that accepts hydrogen ions.
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