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7 Cards in this Set
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- Back
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Mole |
the SI base unit used to measure the amount of a substance whose number of particles is the same as the number of atoms of carbon in exactly 12 g of carbon-12 |
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Avogadro's Number |
6.022 x 10^23 of an atom or molecules in 1 mol |
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Molar Mass |
the mass in grams of 1 mol of a substance |
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Average Atomic Mass |
the weighted average of the masses of all naturally occurring isotopes of an element |
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Percentage Composition |
the percentage by mass of each element in a compound |
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Empirical Formula |
a chemical formula that shows the composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio |
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Molecular Formula |
a chemical formula that shows the number and kind of atoms in a molecule, but not the arrangement of the atoms
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