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The letters aq in brackets after a formula.
Also known as: Aqueous symbol, Dissolved state symbol, State symbol aq, Brackets after a formula
(aq) says a species is dissolved in water, and it is not the same as (l): sodium chloride solution is (aq) and molten sodium chloride is (l), and they behave entirely differently. The bracketed state symbols are the only place a chemical equation records physical form.
Denotes a species dissolved in water, written in parentheses immediately after its formula.
Contexts: Laboratory
Is distinct from the liquid state symbol: a dissolved solid is (aq) and a melted one is (l), which are different systems with different chemistry.
Contexts: Laboratory
Belongs to a closed set of four — (s), (l), (g) and (aq) — which are the only physical information a balanced equation carries.
Contexts: Laboratory
The two lowercase letters a and q in roman type, enclosed in round brackets and set as a subscript after a chemical formula.