Empirical Formula
Chemistry: AQA GCSE Higher, topic 3.1.8
Molecular vs Empirical Formula
The molecular formula shows the actual amount of atoms which make up a molecule. The empirical formula shows the simplest ratio of atoms which make up a molecule.
Molecular formula
- The molecular formula shows the actual amount of atoms which make up a molecule.
- E.g. glucose = C6H12O6
Empirical formula
- The empirical formula shows the simplest ratio of atoms which make up a molecule.
- E.g. glucose = CH2O
Test yourself on Empirical Formula
What is the empirical formula for glucose?
What is the molecular formula for glucose?
Select the true statement in each pair
Which formula for glucose contains more oxygen atoms per molecule?