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3-6. In the preparation of iron from hematite (Fe203 +3 CO - 2 Fe + 3 CO2) how many
moles of CO are needed to react with 105 kg of Fe203 completely?
D
98
3-7. In problem 3-5 hydrazine reacted with oxygen according to the (unbalanced)
equation
N2HA (1) + 02 (9) - NO2 (9) + H20 (9)
If 75.0 kg of hydrazine are reacted with 75.0 kg of oxygen, which is the limiting
reagent?
How many kg of NO2 are produced from the reaction of 75.0 kg of the limiting
reagent?
If 59.3 kg of NO2 are obtained from the reaction of 75.0 kg of the limiting reagent,
what is the % yield?
3.8 What is the difference between the formula weight of a compound and the molecular
weight of a compound?
...
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Top Answer

3-6] moles of Fe2O3=105000g/159.69g/mole =657.534moles mole ratio of Fe2O3:CO=1:3 Therefore moles of CO required to react... View the full answer

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