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what is the definition of molecular formula. Molecular Formula Also known as the true formula the molecular formula states the actual number of atoms of the elements in a single molecule. The molecular formula of ribose is C 5 H 10 O 5 which can be reduced to the empirical formula CH 2 O.
However they lack the information about bonding and atomic arrangement that is provided in a structural formula. The way of representing a substance using the symbols of its elements. Structural formula- an expanded molecular formula showing the arrangement of atoms within the molecule.
For example the molecular formula of aspirin is C9H8O4.
A chemical formula that shows the number and kinds of atoms in a molecule. A chemical formula showing the composition and structure of a molecule. It contains 2 moles of hydrogen for every mole of carbon and oxygen. Compare empirical formula structural formula.