Percentage of carbon =44×m12×m2×100 m= mass of organic compound =0.3 g m2= mass of carbon dioxilde =0.2 g ∴%C=44×0.312×0.2×100=18.18% Percentage of hydrogen =18×m2×m1×100 m1= mass of water =0.1 g ∴%H=18×0.32×0.1×100=3.70%
On complete combustion, 0.3 g of an organic compound gave 0.2 g of CO2 and 0.1 g of H2O. The percentage composition of carbon and hydrogen in the compound, respectively is:
Held on 30 Apr 2024 · Verified 9 Jul 2026.
4.07% and 15.02%
18.18% and 3.70%
15.02% and 4.07%
3.70% and 18.18%
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