A chemical formula that shows the actual number of atoms of each element., A chemical formula of compound with the simplest whole number ratio of atoms of each element., Could be H2O, Empirical formula is CH2O, Molecular formula is C2H6, Empirical and molecular formula is C4H10, Empirical formula is P2O5, Empirical formula CH, Empirical formula is CH3O, Molecular formula is N2O4,

Empirical and molecular formulas...

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