Why are there multiple different formulas for the same chemical/substance?

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Butyric acid, for example, has C3H7COOH or CH3CH2CH2CO2H or C4H8O2 (This one also applies to ethyl acetate). Are there different methods for writing formulas?

In: Chemistry

8 Answers

Anonymous 0 Comments

The chemical formulas and also the names of the chemicals are actually descriptions of the chemicals. And as any descriptions you can use varying levels of detail. In chemical formulas you can list the formulas of different groups of the chemical separately. But how big the groups are or even where you group them is up to the person writing the formula and often depends on what is important features.

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