Question: Iron forms a sulfide with the approximate formula Fe7S8. Assume that the oxidation state of sulfur is 2 and that iron atoms exist in both

Iron forms a sulfide with the approximate formula Fe7S8. Assume that the oxidation state of sulfur is –2 and that iron atoms exist in both +2 and +3 oxidation states. What is the ratio of Fe(II) atoms to Fe(III) atoms in this compound?

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