0.20 g of an organic compound forms 0.5764 g of CO_(2) and 0.1512 g of water on combustion. Calculate the percentage of carbon and hydrogen in the compound.

0.20 g of an organic compound forms 0.5764 g of CO_(2) and 0.1512 g of

1.	0.20 g of an organic compound forms 0.5764 g of CO_(2) and 0.1512 g of water on combustion. Calculate the percentage of carbon and hydrogen in the compound.
Answer» Solution :Mass of the organic COMPOUND =0.20 g Mass of `CO_(2)` FORMED = 0.5764 g Mass of `H_(2)O` formed = 0.1512 g Percentage of `C=12/44 xx("Mass of CARBON DIOXIDE formed")/("Mass of compound")xx100` `=12/44xx((0.5764 g))/((0.20 g))xx100=78.6 %` Percentage of `H=2/18xx("Mass of water formed")/("Mass of compound")xx100` `=2/18xx((0.1512 g))/((0.20 g))xx100=8.4 %`