how many gram of Al can be created by decomposing 12.7 grams of Al2O3
Answers
Answered by
3
Answer:
2.646 kg Al
Explanation:
Write a balanced chemical equation: 2Al2O3(s)→4Al(s)+3O2(g)
Using the chemical equation above the number of moles of oxygen = 3 moles of oxygen.
Molecular mass of Al2O3 = 101.96g. Atomic mass of Al = 26.98g
203.92g Al2O3 will produce 107.92g Al
5000g Al2O3 this will produce (5000/203.92) x 107.92g Al = 2.646kg Al
The decomposition of aluminium oxide produced 2.646 kg Al.
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Answered by
3
Answer:
8.73g of aluminium will be obtained by decomposition of 12.7g of Al2O3.
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