(2) Based on the thermite reaction, Fe2O3 (s) + 2 Al (s) ---> 3 Fe (1) + Al2O3 (s), (2.A. on question 12) How much aluminum oxide (Al2O3) is formed from 21.5 gram of ferric oxide (Fe2O3)? (2.B. on question 13) How much aluminum oxide (Al2O3) is formed from 8.0 gram of aluminum (Al)? (2.C. on question 14) What is the limiting reagent?

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Chapter21: Chemistry Of The Main-group Elements
Section: Chapter Questions
Problem 21.200QP
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(2) Based on the thermite reaction, Fe2O3 (s) + 2 Al (s)
---
Fe (I) + Al203 (s),
(2.A. on question 12) How much aluminum oxide (Al2O3) is
formed from 21.5 gram of ferric oxide (Fe2O3)?
(2.B. on question 13) How much aluminum oxide (Al2O3) is
formed from 8.0 gram of aluminum (Al)?
(2.C. on question 14) What is the limiting reagent?
Molar Masses
1 mole of Fez2O3 = 159.69 grams of Fe2O3
1 mole of Al = 26.98 grams of Al
%3D
1 mole of Al2O3 = 101.96 grams of Al2O3
Ratio:
1 mole of Fez2O3 = 1 mole of Al2O3
2 mole of Al = 1 mole of Al2O3
Transcribed Image Text:(2) Based on the thermite reaction, Fe2O3 (s) + 2 Al (s) --- Fe (I) + Al203 (s), (2.A. on question 12) How much aluminum oxide (Al2O3) is formed from 21.5 gram of ferric oxide (Fe2O3)? (2.B. on question 13) How much aluminum oxide (Al2O3) is formed from 8.0 gram of aluminum (Al)? (2.C. on question 14) What is the limiting reagent? Molar Masses 1 mole of Fez2O3 = 159.69 grams of Fe2O3 1 mole of Al = 26.98 grams of Al %3D 1 mole of Al2O3 = 101.96 grams of Al2O3 Ratio: 1 mole of Fez2O3 = 1 mole of Al2O3 2 mole of Al = 1 mole of Al2O3
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