Empirical-formula
noun, Chemistry.
1.
a chemical formula indicating the elements of a compound and their relative proportions, as (CH 2 O) n .
noun
1.
a chemical formula indicating the proportion of each element present in a molecule: C6H12O6 is the molecular formula of sucrose whereas CH2O is its empirical formula Compare molecular formula, structural formula
2.
a formula or expression obtained from experimental data rather than theory
empirical formula n.
A chemical formula that indicates the relative proportions of the elements in a molecule rather than the actual number of atoms of the elements.
empirical formula
A chemical formula that indicates the relative proportions of the elements in a molecule rather than the actual number of atoms of the elements. The empirical formula of a compound may be simpler than its molecular formula, which is a multiple of the empirical formula. For example, glucose has the molecular formula C6H12O6 but the empirical formula CH2O. Compare molecular formula, structural formula.
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