Chem Quiz
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8 Terms
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Amedeo Avogadro
An Italian scientist who made significant contributions to our understanding of gases and molecular theory.
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Avogadro's Number
6.02 x 10^23
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particles
can be atoms, molecules, ions, or formula units.
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mole
serves as a bridge between the mass of a given substance and the number of particles contained in that substance.
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molar mass
the mass (in grams) of one mole of that substance.
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percent composition
gives the percentages that each element of that substance contributes to its total mass.
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empirical formula
indicates the simplest whole-number mole ratio between the elements of that substance.
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molecular formula
indicates the number of moles of each element that would be found in one mole of that substance.