When exposed to air, aluminum metal, Al, reacts with oxygen, O2, to produce a protective coating...

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When exposed to air, aluminum metal, Al, reacts with oxygen, O2, to produce a protective coating...

When exposed to air, aluminum metal, Al, reacts with oxygen, O2, to produce a protective coating of aluminum oxide, Al2O3, which prevents the aluminum from rusting underneath. The balanced reaction is shown here:

4Al+3O2→2Al2O3

1.

In Part A, we saw that the theoretical yield of aluminum oxide is 1.30 mol . Calculate the percent yield if the actual yield of aluminum oxide is 0.858 mol .

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