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11 Cards in this Set
- Front
- Back
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Mole
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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 excatly 12 grams of carbon 12
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Avogadro's Number
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6.022 X 10, the number of atoms or molecules in 1.000 mol
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Molar Mass
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The mass in grams of one mole of a substance
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Average Atomic Mass
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the weighted average of the masses of all naturally occurring isotopes of an element.
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Percentage Compsition
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The percentage by mass of each element in a compound
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Empirical Formula
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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
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a chemical formula that shows the number and kinds of atoms in a molecule, but not the arrangement of the atoms.
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Stoichiometry
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The proportional relationship between two or more substances during a chemical reaction
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Limiting Reactant
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The substance that controls the quantity of product that can form in a chemical reaction.
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Excess Reactant
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The substance that is not used up completely in a reaction
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Actual Yield
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The measured amount of a product of a reaction.
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