in a typical experiment, 14 g of iron on heating with oxygen gave 20g of iron (III) oxide. 3.5 g of iron on heating with oxygen gave 5 g of iron (III) oxide. show that these results correspond to the law of definite proportions.
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Mass of oxygen - 20 - 14
Mass of oxygen - 6 gram Percentage of iron - 14 / 20 * 100
Percentage of iron - 70 %
Percentage of oxygen - 6 / 20 * 100
Percentage of oxygen - 30 %
In experiment 2 - Mass of oxygen - 50 - 35
Mass of oxygen - 15 gram
Percentage of iron - 35 / 50 * 100
Percentage of iron - 70 %
Percentage of oxygen - 15 / 50 * 100
Percentage of oxygen - 30 %
Since , percentage of iron and oxygen , in iron ( III ) oxide formed in both the ways , is same , hence , it can be said that Law of Definite Proportions is followed .
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