Acids and bases
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Define an acid in terms of the Lowry-Brønsted model
A proton donor
Define a base in terms of the Lowry-Brønsted model
A proton acceptor
Define ionisation
The reaction of a molecular substance with water to produce ions
Define a strong acid
An acid that ionises almost completely in an aqueous solution
Define a weak acid
An acid that only ionises partially in an aqueous solution
Define dissociation
The splitting of an ionic compound into its ions
Define a strong base
A base that dissociates almost completely in an aqueous solution
Define a weak base
a base that only ionises partially in an aqueous solution
Define an amphiprotic (or amphoteric) substance
A substance that can act as either an acid or a base
Define a salt
a substance in which the hydrogen of an acid has been replaced by a cation
Define hydrolysis of a salt
a reaction of an ion (from a salt) with water
Define neutralisation
A chemical reaction in which an acid and a base react so that neither is in excess
Define standard solution
A solution of known concentration