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Which state symbol is used to represent an aqueous solution in a chemical equation?

Answer and explanation

Correct answer: (aq)

The correct answer is D: (aq). The abbreviation aq comes from aqueous and means that the substance has dissolved in water, forming an aqueous solution. For example, NaCl(aq) indicates sodium chloride dissolved in water. Option A, (s), identifies a solid. Option B, (l), identifies a liquid but does not specifically tell us that the liquid is a solution in water. Option C, (g), identifies a gas. Thus (aq) is the most precise symbol for the condition asked in the question. A common confusion is to choose (l) because an aqueous solution is liquid in appearance; however, (aq) gives the additional and important information that water is the solvent.

Related tags

Aqueous SolutionState SymbolsChemical EquationsClass 10 ScienceChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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