Posted by Anonymous on Saturday, October 1, 2011 at 7:48pm.
mols C = 3.21/atomic mass C = ?
moles Cl = 19.0/atomic mass Cl = ?
moles F = 10.2/atomic mass F = ?
Now find the ratio of the elements to each other with the smallest number being 1.000. The easy way to do that is to divide the smallest number by itself which automatically makes it 1.000, then divide the other numbers by the same small number, then round to whole number. That will give you the empirical formula.
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