Question

1. Aluminum oxide, Al2O3, is decomposed to produce solid aluminum metal and oxygen gas. 
2. Write the balanced chemical equation for this reaction. 

(2 marks - K)

1. How many grams of aluminum metal can be produced from 100.0 g of Al2O3?

(6 marks - TI)

Answer 1

The balanced equation is:

4Al(s) + 3O2(g) → 2Al2O3(s)