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| 1. |
Aluminium oxide contains 52.9% aluminium and carbon dioxide contains 27.27% carbon. Assuming the validity of the law of reciprocal proportions , calculate the percentage of aluminium in aluminium carbide. |
| Answer» Solution :From the DATA, it is observed that the RATIO of masses of ALUMINIUM and carbon in aluminium carbide should be 3:1 or its simple multiple, Hence, percentage of aluminium in aluminium carbide `=(3)/(4)xx100=75.0` | |