the weight of oxygen required to completely react with 27 grams or aluminium
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Answer:24g
Explanation:The balanced equation for the given reaction
4Al+3O2gives rise to 2Al2O3
Atomic mass of Al=27g
Atomic mass of O2=32g
Mass ratio of Al and o can be given as
Al:O2
4:3
1:3/4
Mass of o2 required=3/4×32
=24g
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