What is the limiting reagent?

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What is the limiting reagent?

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Answer 1 · 2017-06-17T18:16:21

The limiting reagent is $C O$ $CO$ ..........

Explanation:

$F e_{2} O_{3} (s) + 3 C O (g) \to 2 F e (s) + 3 C O_{2} (g)$ $Fe_2O_3(s) + 3CO(g) rarr 2Fe(s) + 3CO_2(g)$

And thus $ferric oxide$ $"ferric oxide"$ reacts with THREE equiv $C O$ $CO$ to give us 2 equiv iron metal, and 3 equiv of carbon dioxide.

$Moles of ferric oxide = \frac{21.00 \cdot g}{159.69 \cdot g \cdot m o l^{- 1}} = 0.132 \cdot m o l$ $"Moles of ferric oxide"=(21.00*g)/(159.69*g*mol^-1)=0.132*mol$

$Moles of carbon monoxide = \frac{10.50 \cdot g}{28.01 \cdot g \cdot m o l^{- 1}} = 0.375 \cdot m o l$ $"Moles of carbon monoxide"=(10.50*g)/(28.01*g*mol^-1)=0.375*mol$

Given these molar quantities, ONLY $0.125 \cdot m o l$ $0.125*mol$ $ferric oxide$ $"ferric oxide"$ will react, given that it is the reagent in excess, and carbon monoxide is the reagent is in deficiency.

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What is the limiting reagent?

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