an acid is a molecule that donates what
Acid An acid is a molecule or ion capable of donating a hydron (proton or hydrogen ion H+), or, alternatively, capable of forming a covalent bond with an electron pair (a Lewis acid).[1]
Sulfuric acid Sulfuric acid (alternative spelling sulphuric acid), also known as vitriol, is a mineral acid with molecular formula H2SO4. It is a colorless, odorless, and syrupy liquid that is soluble in water, in a reaction that is highly exothermic.[4]