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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» <html><body><p></p>Solution :Mass of the organic <a href="https://interviewquestions.tuteehub.com/tag/compound-926863" style="font-weight:bold;" target="_blank" title="Click to know more about COMPOUND">COMPOUND</a> =0.20 g <br/> Mass of `CO_(2)` <a href="https://interviewquestions.tuteehub.com/tag/formed-464209" style="font-weight:bold;" target="_blank" title="Click to know more about FORMED">FORMED</a> = 0.5764 g <br/> Mass of `H_(2)O` formed = 0.1512 g <br/> Percentage of `C=12/44 xx("Mass of <a href="https://interviewquestions.tuteehub.com/tag/carbon-16249" style="font-weight:bold;" target="_blank" title="Click to know more about CARBON">CARBON</a> <a href="https://interviewquestions.tuteehub.com/tag/dioxide-954355" style="font-weight:bold;" target="_blank" title="Click to know more about DIOXIDE">DIOXIDE</a> formed")/("Mass of compound")xx100` <br/> `=12/44xx((0.5764 g))/((0.20 g))xx100=78.6 %` <br/> Percentage of `H=2/18xx("Mass of water formed")/("Mass of compound")xx100` <br/> `=2/18xx((0.1512 g))/((0.20 g))xx100=8.4 %`</body></html> | |