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In chemical equations, what is the correct meaning of the symbols \(\mathrm{aq}\) and \(\mathrm{l}\) for a species?

Answer and explanation

Correct answer: \(\mathrm{aq}\) means dissolved in water, while \(\mathrm{l}\) means the substance is a pure liquid (not specified as water).

\(\mathrm{aq}\) stands for “aqueous”, meaning the species is dissolved in water (so it exists in solution). \(\mathrm{l}\) stands for “liquid”, meaning the species is in the liquid state as a separate phase (it is not indicating “in water”). Therefore, \(\mathrm{aq}\) specifies water as the solvent, whereas \(\mathrm{l}\) specifies only that the substance is a liquid.

Related tags

Chemical Reactions And EquationsChemical Substances – Nature And BehaviourScienceClass 10

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