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On complete combustion of 0.246g of an o...

On complete combustion of 0.246g of an organic compound gave 0.198g of carbondioxide and 0.1014g of water. Determine the percentage combustion of carbon and hydrogen in the compound.

Text Solution

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`"Percentage of carbon "=(12)/(44) xx ("Mass of "CO_(2)"formed")/("Mass of the compound")xx 100`
`=(12 xx 0.198 xx 100)/(44 xx 0.246)`
=21.95%
Percentage of hydrogen `=(2)/(18) xx ("Mass of "H_(2)O"formed")/("Mass of the compound") xx 100`
`=(2)/(18) xx (0.1014)/(0.246) xx 100`
=4.58%
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