# Aluminium carbide contains 75% of Al,aluminium oxide contains 52.9% of Al & carbon dioxide contains 27.27% of C.show that these figures illustrate the law of reciprocal proportion

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by dita

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Aluminum carbide contains 75% of Al and 25% of C.

So 3 grams of Al combines with 1 gram of C.

Or, ratio Al : C = 3 : 1

Aluminum oxide contains 52.9% of Al and 47.1% of Oxygen.

So ratio Al : O = 52.9 : 47.1 = 1.123 : 1

or, 3 : 2.671

Carbon dioxide contains 27.27 % of C and 72.73% of O.

So ratio C : O = 27.27 : 72.73

or , 1 : 2.667 or nearly equal to 2.671 above.

So carbon and Oxygen combine in the same ratio as they reacted with Aluminum.

So 3 grams of Al combines with 1 gram of C.

Or, ratio Al : C = 3 : 1

Aluminum oxide contains 52.9% of Al and 47.1% of Oxygen.

So ratio Al : O = 52.9 : 47.1 = 1.123 : 1

or, 3 : 2.671

Carbon dioxide contains 27.27 % of C and 72.73% of O.

So ratio C : O = 27.27 : 72.73

or , 1 : 2.667 or nearly equal to 2.671 above.

So carbon and Oxygen combine in the same ratio as they reacted with Aluminum.