What is the mole?
the amount of substance in grams that has the same number of particles as there are atoms in 12 grams of carbon-12
What is relative atomic mass?
the average mass of one atom compared to 1/12 of the mass of one atom of carbon-12 atom
What is molar mass?
the mass in grams of 1 mol of a substance and is given the unit of g mol-1