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Finding empirical formula with 5 simple steps. The steps are:
1) Write the atoms involved in the calculation.
2) Write the mass of the atoms.
3) Find the Mole of each atom by doing mass over relative atomic mass (you can find the Ar using the periodic table, Ar is the mass number).
4) Calculate the mole ratio, this is done by dividing each moles (from step 3) by the smaller mole.
5) Here you go, you got the empirical formula from the mass given.
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