Empirical Formula
The
empirical formula
is
the simplest whole-
number ratio of the atoms in a compound.
Examples:
benzene,
CH
phosphorus pentoxide,
P
2
O
5
Molecular Formula
The
molecular formula
is
the simplest whole-
number ratio of the atoms in a single
molecule of a compound.
Examples:
benzene,
C
6
H
6
phosphorus pentoxide,
P
4
O
10