Definition of empirical formula in English:

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empirical formula


A formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms. Compare with molecular formula, structural formula.
Example sentences
  • Butene and ethene have the same empirical formula CH 2 but different molecular and structural formulas.
  • The simplest version of the formula is the empirical formula.
  • The empirical formula of a compound is that which is obtained through laboratory research.
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