Lesson 2: Percent Composition and Chemical Formula

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4 Terms

1
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MASS PERCENTAGE COMPOSITION

  • is obtained by dividing the mas of each element by their molar mass of the compound and multiplying the quotient by 100%

  • mass of elemet/molar mass of compound x 100%

2
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EMPIRICAL FORMULA

  • gives the simplest ratio of the atoms of the different elements present in a compound

3
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MOLECULAR FORMULA

  • shows the exact number of atoms of each element per molecule

4
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