Quantitative chemistry

• conservation of mass states that matter cant be created or destroyed
• the relative formula mass of a compound is the sum of the relative atomic masses of the atoms in the compound
• the mass of one mole of a substance is the same as its relative formula mass
• avagadros constant value is 6.02 x 10^23
• The reactant that is completely used up is called the limiting reactant because it limits the amount of products.