The molecular formula of a molecular substance is a whole number multiple of its empirical formula.

Question

Quizplus · Accepted Answer

This statement is true because the empirical formula represents the relative ratios of atoms in a compound, while the molecular formula gives the actual number of atoms of each element present in a molecule. Therefore, the molecular formula must be a multiple of the empirical formula in order to have whole number ratios of atoms.

The Molecular Formula of a Molecular Substance Is a Whole