anonymous
  • anonymous
I REALLY NEED SOME HELP GUYS!! 0.25 moles of a hydrocabon Xwith a molar mass of 72 gmol was burnt completely in an excess of oxygen. The volume of CO2 produced was 30 dm3. i)What is the molecular formula of the hydrocarbon x?
Chemistry
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anonymous
  • anonymous
I REALLY NEED SOME HELP GUYS!! 0.25 moles of a hydrocabon Xwith a molar mass of 72 gmol was burnt completely in an excess of oxygen. The volume of CO2 produced was 30 dm3. i)What is the molecular formula of the hydrocarbon x?
Chemistry
jamiebookeater
  • jamiebookeater
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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anonymous
  • anonymous
Moles of carbon in CO2=30/22.4 Moles of carbon in 0.25 moles of the compund=30/22.4 Moles of carbon in 1 mole of compund=30*4/22.4.=approx 5 Hence it would be C5H12

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