In a molecular formula it states the total number of atoms of each element in a molecule. An empirical formula shows the simplest version of a formula of a molecule whereas a molecular formula shows the type and quantity of atoms present in that molecule. Difference Between Empirical And Molecular Formula Chemistry Basics Chemistry Lessons Chemistry Study Guide The empirical formula shows the simplest. . The molecular mass of this compound is 1105 gmol. The mass of the atoms in the empirical formula is 14. The empirical formula for this compound is thus CH 2. The content that follows is the substance of lecture 9. Calculate the molecular formula of the compound. An example of the difference is the empirical formula for glucose which is CH 2 O ratio 121 while its molecular formula is C 6 H 12 O 6 number of atoms 6126. The empirical molecular formula for Glucose. First obtain the gram atoms or moles by divid...