Molecular and empirical formulas (video) | Khan Academy
https://www.khanacademy.org/science/physical-chemistry-essentials/x98cdf762ed888601:some-basic-concepts-of-chemistry/x98cdf762ed888601:mole-concept-molar-mass-and-percentage-weight-composition/v/molecular-and-empirical-formulas-edited
WEBThere's two major, actually three major ways to represent a molecule. One is the molecular formula. The other is the empirical formula and I'll do it in a different color to differentiate it. Empirical formula. And the difference is, well let's …
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