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chemistry chapter 10
Term | Definition |
---|---|
atomic mass | weighted average of the masses of the existing isotopes of the element |
formula mass | sum of the atomic masses of all atoms in a compound as represented in a chemical formula |
mole | quantity of a substance that has a mass in grams numerically equal to its formula mass:6.0x10'23 |
Avagadros number | number of representative particles. equal to 6.0x10'23 |
molar mass | mass in grams of one mole in a substance |
molar volume | volume of one mole of an ideal gas at standard condition |
percentage composition | mass of each element in a compound relative to the total mass |
empirical formula | |
molecular formula |