empirical formula

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empirical formula:

see formulaformula,
in chemistry, an expression showing the chemical composition of a compound. Formulas of compounds are used in writing the equations (see chemical equations) that represent chemical reactions. Compounds are combinations in fixed proportions of the chemical elements.
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empirical formula

[em′pirṁəṁkəl ′fȯrṁmyəṁlə]
A chemical formula that indicates the composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio; for example, the empirical formula for fluorobenzene is C6H5F.
References in periodicals archive ?
Following the same procedure, we obtain the empirical formulae for 50-[ohm] and 70.
This led to empirical formulae for creep compliance defined as the reciprocal of the creep modulus.

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