What is the empirical formula of melamine?
The empirical formula of melamine is CH₂N₂.
Melamine has the structural formula
The molecular formula is C₃H₆N₆.
The empirical formula tells us the simplest whole-number ratio of the different types of atoms in a compound.
To get the empirical formula, we divide the subscripts in the molecular formula by their highest common factor (3).
This gives you the empirical formula CH₂N₂.