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Chemistry, 12.05.2021 20:50 thatcurlysophia

Iron (II) sulfide reacts with oxygen to produce iron (Ill) oxide and sulfur dioxide. 4 FeS2 (s) + 11 02 (8) 2 Fe2O3 (s) + 8 SO2 (g)
How many moles of FeS2 are needed to produce 10 moles of Fe2O3?
A. 4
B. 5
C. 10
D. 20

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