5.2 - Finding Empirical Formulae

Cards (3)

  • empirical formula
    shows the simplest whole number ratio of atoms of different elements in a compound
    calculated from results of experiments
  • experiment to find out the empirical formula
    measure mass of elements in compound
    calculate number of moles - will give you a ratio (empirical formula)
  • percentage composition
    percentages of different elements in a compound, obatained from the results of analysis