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0.30 g of a substance gives 0.88 g of carbon dioxide and 0.54 g water. Calculate the percentage of carbon and hydrogen in it.

Answer» <html><body><p></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :<a href="https://interviewquestions.tuteehub.com/tag/weight-1451304" style="font-weight:bold;" target="_blank" title="Click to know more about WEIGHT">WEIGHT</a> of organic compound = 0.30 g <br/> Weight of carbon dioxide = 0.88 g <br/> Weight of water = 0.54 g <br/> Percentage of carbon : <br/> 44 g if carbondioxide contains, carbon = 12 g <br/> 0.88 g of carbon dioxide contains, <br/> carbon `= (12xx0.88)/(44)g` <br/> 0.30 g substance contains, carbon `= (12xx0.88)/(44)g` <br/> 100 g substance contains <br/> `= (12xx0.88)/(44)<a href="https://interviewquestions.tuteehub.com/tag/xx-747671" style="font-weight:bold;" target="_blank" title="Click to know more about XX">XX</a>(100)/(0.30)=<a href="https://interviewquestions.tuteehub.com/tag/80-337972" style="font-weight:bold;" target="_blank" title="Click to know more about 80">80</a> g` of carbon <br/> Percentage of carbon = 80 <br/> Percentage of <a href="https://interviewquestions.tuteehub.com/tag/hydrogen-22331" style="font-weight:bold;" target="_blank" title="Click to know more about HYDROGEN">HYDROGEN</a> : <br/> 18 g of water contains, hydrogen = 2g <br/> 0.54 g of water contains, hydrogen `= (2xx0.54)/(18)g` <br/> 0.30 g of substance contains hydrogen `= (2xx0.54)/(18xx0.30)g` <br/> 100 g of substance contains `=(2xx0.54)/(18xx0.30)xx100 g` <br/> = 20 g of hydrogen <br/> Percentage of hydrogen = 20</body></html>


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