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A sample containing a mixture of iron oxide Fe2O3 and aluminum oxide Al2O3 weighed 0,7125 g. Iron oxide was reduced to metallic iron by hydrogen. The weight of the resulting mixture after reduction was
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A sample containing a mixture of iron oxide Fe2O3 and aluminum oxide Al2O3 weighed 0,7125 g. Iron oxide was reduced to metallic iron by hydrogen. The weight of the resulting mixture after reduction was 0,6398. Calculate the percentage of aluminum in the sample.

User Mory
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Answer:

34,95%

Step-by-step explanation:

The resulting mixture doesn't contain the oxygen.

A sample containing a mixture of iron oxide Fe2O3 and aluminum oxide Al2O3 weighed-example-1
User CuriousMonkey
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