Calculate the percentage of aluminium in Al2O3.

1.	Calculate the percentage of aluminium in Al2O3.
Answer» As SAMPLE is 90 % PURE only so, mass of AL 2O 3=9kgMass of Al =2×27×9/102=4.76kg% of Al in sample 4.76×10/100=47.6 %

Answer»

As SAMPLE is 90 % PURE only so, mass of AL 2O 3=9kgMass of Al =2×27×9/102=4.76kg% of Al in sample 4.76×10/100=47.6 %

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