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3.09gram of a mixture of Al and Al2O3 when reacted with a solution of sodium hydroxide produced 840ml of gas at NTP. Find the composition of the mixture.

3.09gram of a mixture of Al and Al2O3 when reacted with a solution of sodium hydroxide produced 840ml of gas at NTP. Find the composition of the mixture.

Grade:11

1 Answers

Siddhant Rajan Mane
14 Points
5 years ago
2Al+6H2O->2Al(OH)3+3H2Al2O3+3H2O->2Al(OH)3Here H2 Comes from Al onlySo3(27) -> 3(24451) At STPThen 840ml will be from ?? = 0.62gSo,0.62gram is Aluminium and 2.47gram is Aluminium Oxide

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