Relative Formula Mass

avatar
Created by
Freya Michele

Cards (3)

  • The relative formula mass (Mr) of a compound is the sum of the relative atomic masses of the atoms in the numbers shown in the formula
  • In a balanced chemical equation, the sum of the relative formula masses of the reactants in the quantities shown equals the sum of the relative formula masses of the products in the quantities shown
  • percentage mass of an element in a compound is equal to:
    ( (Ar x number of atoms of that element) / Mr of the compound ) x100