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It shows the chemical makeup of a substance using the chemical symbols of the elements in that substance. Hydrochloric Acid is made up of Hydrogen and Chlorine, expressed at HCl. Water is made up of 2 hydrogen atoms and an oxygen, expressed as H2O

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βˆ™ 13y ago
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βˆ™ 7mo ago

A chemical formula provides information about the type and number of atoms present in a molecule. It shows the elements present in a compound and their ratios. This information helps chemists understand the composition and structure of a substance.

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Q: What a chemical formula do?
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