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#6-#8 : Calculate the elemental weight percents from the formulas given #6 Pyrite, FeS2 Fe = 50g/120 (166) = 47% 52= 64g/120 I'm not sure if I did it right.
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x 200 oko element = (nicember of_aforma) * (atorule weight) Formula weight of the compound 1% 550845 x100 = 4654 01 fo S = 2

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