Worked example: Determining an empirical formula from percent composition data | Khan Academy

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https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:atomic-structure-and-properties/x2eef969c74e0d802:elemental-composition-of-pure-substances/v/worked-example-determining-empirical-formula-from-combustion-data

We can use percent composition data to determine a compound's empirical formula, which is the simplest whole-number ratio of elements in the compound. View more lessons or practice this subject at https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:atomic-structure-and-properties/x2eef969c74e0d802:elemental-composition-of-pure-substances/v/formula-mass-composition

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