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0.2346 g of an organic compound containi...

0.2346 g of an organic compound containing C, H & 0, on combustion gives 0.2754 g of `H_(2)0` and 0.4488 g `CO_(2)` . Calculate the % composition of C, H & 0 in the organic compound.

Text Solution

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Weight of organic substance (w) = 0.2346 g
Weight of water (x) = 0.2754 g
Weight of `CO_(2)` (y) = 0.4488 g
`"Percentage of carbon" = (12)/(44) xx (y)/(w) xx 100 = (12)/(44) xx (0.4488)/(0.2346) xx 100 = 52.17%`
`"Percentage of hydrogen" =(2)/(18) xx (x)/(w) xx 100=(2)/(18) xx (0.2754)/(0.2346) xx 100=13.04%`
Percentage of oxygen =[100-(52.17+13.04)]=100-65.21=34.79%
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