miasanchez7859 miasanchez7859
  • 06-01-2020
  • Chemistry
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If 80 grams of Al and 80 grams of Fe2 O3 are combined, what is the maxium number of moles of fe that can be produced?

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anfabba15
anfabba15 anfabba15
  • 06-01-2020

Answer:

The maximum number of moles of Fe that can be produced is 1 mol

Explanation:

The reaction is this:

2Al + Fe₂O₃  →  2Fe  +  Al₂O₃

Moles of Al = Mass of Al / Molar mass Al

80 g / 26.98 g/m = 2.96 moles

Mol of Fe₂O₃ = Mass of Fe₂O₃ / Molar mass Fe₂O₃

80 g / 159.7 g/m = 0.500 moles

For sure, with the naked eye, the limiting reagent is the Fe₂O₃ .

1 mol of oxide, produces 2 mol of Fe

So, 0.5 mol of oxide, will produce 1 mol of Fe

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