Question

Please solve it in detail

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Answer 1

ANSWER


HERE.......

2 mol of Al react with 3/2 mol of O2

then...


1mole of Al = 27g


hence, 2moles of Al= 2×27= 54g

and ........

1mole of O2 = 32g


hence, 3/2 mole of O2 = 48g


54g of Al reacts with 48g of O2


9g of Al will react with 48×9/54 

=48×9/54

=8g of O2

correct options is 2


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