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In this video, we will look at the state symbols (s), (l), (g), and (aq) and what they represent in a chemical equation.

For equations to be complete, we must also include the state symbol for each reactant and product.

There are four possible states, each with their own unique state symbol.
Solid – represented by lower case s.
Liquid – represented by lower case l.
Gas – represented by lower case g.
Aqueous, or dissolved in water – represented by lower case aq.

This is written after each reactant or product in brackets and in subscript, meaning, a bit lower than the actual text.

State symbols represent the state of each reactant and each product in a reaction, and must be included in every chemical equation.

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