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10 Cards in this Set
- Front
- Back
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Avagadro's number
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6.022x10^23
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mole
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unit of measurement for an amount of chemical substance
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molar mass (MM)
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the atomic mass of a substance expressed in grams
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avagadro's law
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2 gases that have 6.022 x 10^23 atoms will occupy equal volumes at STP
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STP
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standard temperature pressure, 22.4L
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molar volume
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the volume occupied by 1 mol of any gas at STP.
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percent composition
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lists the mass percent of each element
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empirical formula
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corresponds to the simplest whole number ratio of ions in a formula unit.
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Gas density
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divide molar mass by molar volume
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molecular formula
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actual ratio of the atoms in a molecular compound
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