To Three Significant Figures,how Many Metric Tons of Iron Ore

question 75

Multiple Choice

To three significant figures,how many metric tons of iron ore are needed to produce 10,000 metric tons of iron per day in the blast furnace process? Assume that the iron ore is iron(III) oxide and that the ore is 70.0% pure.The reaction of interest is Fe₂O₃(s) + 3 CO(g) → 2 Fe(l) + 3 CO₂(g) .

• A)14,300 metric tons
• B)20,000 metric tons
• C)20,400 metric tons
• D)30,000 metric tons

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