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What is a strong acid?
A strong acid is an acid that completely ionises (dissociates) in aqueous solution.
What is a weak acid?
A weak acid is an acid that only partially ionises (dissociates) in an aqueous solution.
Give examples of strong acids.
Hydrochloric acid (HCl), sulfuric acid (H2SO4), and nitric acid (HNO_3).
Give examples of weak acids.
Ethanoic acid (CH3COOH), citric acid, and carbonic acid (H2CO_3).
As the PH decreases, what do the hydrogen ions multiply by.
It multiplies by 10x as you go down the PH scale