Describe relationship between empirical and molecular formula?

Question: Describe relationship between empirical and molecular formula?

The relationship between empirical and molecular formulas is a fundamental concept in chemistry. The empirical formula of a compound represents the simplest whole-number ratio of the elements within it, providing a reduced version of the molecular formula. For instance, the empirical formula for hydrogen peroxide is HO, indicating a 1:1 ratio of hydrogen to oxygen. On the other hand, the molecular formula conveys the actual number of atoms of each element in a molecule of the compound. For hydrogen peroxide, the molecular formula is H₂O₂, which shows that a molecule contains two hydrogen atoms and two oxygen atoms. The molecular formula is always a whole number multiple of the empirical formula, which can be expressed as Molecular Formula = (Empirical Formula) × n, where 'n' is a positive integer. This relationship is crucial for chemists when determining the actual chemical composition of a substance from its empirical formula.

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