The empirical formula of a compound shows the simplest whole-number ratio of atoms of each element present. It is derived from the percentage composition by mass. The molecular formula is a whole-number multiple of the empirical formula.
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Did You Know?
Glucose (C₆H₁₂O₆) and fructose both have the same empirical formula CH₂O, but are different molecules with different properties — demonstrating that empirical formulas alone don't identify a compound.
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