Lesson Flashcards: Empirical and Molecular Formulas Chemistry • 10th Grade

Percent composition

The percent by mass of each element in a compound or sample

Molecular formula

A chemical formula expressing the exact number of atoms of each element in a molecule

Empirical formula

A chemical formula that indicates the elements in a molecule or ionic compound and the simplest whole number ratio of the atoms of each element

6 : 12 : 06

The ratio of carbon atoms to hydrogen atoms to oxygen atoms in a molecule of glucose

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