Step-by-step explanation:
- Amount = Reacting mass ÷ Molecular Mass
- Reacting mass = 100g
- Molecular Mass = (55.845×2) + ( 16 ×3)
- = 111.69 + 48
- = 159.69 g/ mol
- .: Amount= 100÷ 159.69
- = 0.63moles
.: 0.63 moles of carbon monoxide would be needed to react with 100g of Fe2O3