# 7. Iron is produced from its ore by the reactions: 2C(s) + O2(g) → 2CO(g) Fe2O3...

###### Question:

7. Iron is produced from its ore by the reactions: 2C(s) + O2(g) → 2CO(g) Fe2O3 (s) + 3 CO(g) → Fe(s) + CO2(g) How many moles of O2(g) are needed to produce 4.6 moles of Fe(s)? a. 2.3 b. 3.5 C. 4.6 d. 6.9 e. 13.8

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