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molecular formula
noun
, Chemistry.
- a chemical formula that indicates the kinds of atoms and the number of each kind in a molecule of a compound.
molecular formula
noun
- a chemical formula indicating the numbers and types of atoms in a molecule Compare empirical formula structural formula
H2SO4 is the molecular formula of sulphuric acid
molecular formula
- A chemical formula that shows the total number and kinds of atoms in a molecule, but not their structural arrangement. For example, the molecular formula of aspirin is C 9 H 8 O 4 .
- Compare empirical formula
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Word History and Origins
Origin of molecular formula1
First recorded in 1900–05
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How does molecular formula compare to similar and commonly confused words? Explore the most common comparisons:
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Example Sentences
This fact, coupled with the determination of the vapour density of the gas, establishes the molecular formula CO.
From Project Gutenberg
That the volume relations may be correct a gaseous element must be given its molecular formula.
From Project Gutenberg
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