Empirical
Formula
The empirical formula is the simplest
whole-
number ratio of the
atoms in a compound.
Examples:
benzene, CH
phosphorus pentoxide, P2O5
Molecular Formula
The molecular formula is the simplest
whole-
number ratio of the
atoms in a single
molecule of a
compound.
Examples:
benzene, C6H6
phosphorus pentoxide, P4O10