Question

Calculate the percentage composition of aluminium oxide (Al2O3) (Al=27, O=16) with explanation

Answer 1

Answer:

Given

Al = 27 , O= 16

in Al2O3

2 × 27 + 3×16 = 54 + 48 = 102

Aluminum percentage

= 54/102××100

= 53.94

Oxygen percentage

= 48/102×100

= 46.06

Explanation:

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