a chemical formula indicating the elements of a compound and their relative proportions, as (CH2O)n.
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- empire state of the south,
- empiric risk,
Origin of empirical formula
First recorded in 1820–30
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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 American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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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