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25 December, 15:31

What is the percentage of aluminum in aluminum oxide (al2o3?

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  1. 25 December, 18:15
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    Al2O3 has 5 atoms present in the molecule. Out of these 5 atoms, 2 of these atoms are Al atoms therefore 2/5＝ 0.4 which is 40%.

    The answer is 40%.
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