First post here.
I have a substance with Fe 3.524 grams, S 3.034 grams, and O 4.542 grams.
It is telling me to find the empirical formula.
First I change the grams into mols by dividing the grams by the atomic mass: Fe 56, S 32, O 16
Fe 0.06310 mol, S 0.09464 mol, O 0.2839 mol...