, the empirical formula of a chemical is a simple expression of the relative number of each type of atom (element
) in it. An empirical formula makes no reference to isomerism
or structure. The term empirical refers to the process of elemental analysis[?]
, an analytical
technique used to determine the relative percent composition of a pure chemical substance by element.
For example, hexane could have a chemical formula of CH3CH2CH2CH2CH2CH3, implying that it has a straight chain structure. However the empirical formula for the same molecule would be C6H14.
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