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In a reaction FeS2 is oxidized by O2toFe2O3 and SO2 . If the equivalents of O2 consumed

are 'y' then the equivalents of FeS2 consumed and moles of 2 3 2 Fe O and SO produced are
respectively are

1 answer

I'm having trouble knowing what you want. And what are you calling equivalents.
4FeS2 + 11O2 --> 2Fe2O3 + 8SO2
mols Fe2O3 produced = y mols FeS2 x (2 mols Fe2O3/4 mols FeS2) = y/2
mols SO2 produced y mols FeS2 x (8 mols SO2/4 mols Fe2O3) = 2y
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