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5 Cards in this Set
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Avogrado's Number |
Defined as the number of constituent particles per mole of a given substance. The symbol is L and number is 6.0221413e+23 |
.200 mole of H2O is how many molecules? 1.20e+23 |
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Mole |
The mass of substance containing the same number of fundamental units as there are atoms in exactly 12.000 g of 12C |
44.01 g is one mole of CO2 |
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Molar mass |
This is a physical property that is the mass of a given substance divided by the amount of the substance |
Ex, water is 18.015 g/mol |
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Formula Unit |
The chemical formula with the least number of elements out of the set empirical formulas having the same proportion of ions as elements |
Ex, NaCl for sodium chloride |
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Percent Composition |
This is the percentage an atom has in a specific formula mass |
Ex, in O2 O=100% |
