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JPChapter 3


Molecular Weight (MW) the sum of the atomic weights of all the atoms in molecule of a substance
Formual Weight (FW) the sum of the atomic weights of all the atoms in a formual unit of a substance
Mole defined as the quantity of a given substance that contains as many molecules or formual unit as the number of atoms in exactly 12g of carbon-12
Molar Mass mass of one mole of a substance
Avogadro's Number number of atoms in a 12g sample of carbon-12
Empirical Formula formula of a substance written with the smallest integer (whole number) subscripts- simplest formula
Created by: jpclark