# 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

## Answers

2015-04-22T01:36:36+05:30

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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.