The combustion reaction of aluminum is described by the following chemical reaction equation:
4Al + 3O2 = 2Al2O3;
There are two metal atoms in an aluminum oxide molecule. Therefore, from two moles of aluminum, one mole of its oxide is formed.
To obtain 1 mole of oxide, 2 moles of metal are needed.
N Al = N Al2O3 x 2 = 1 x 2 = 2 mol;
M Al = 27 grams / mol;
m Al = 27 x 2 = 54 grams;
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