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  • 4 years ago

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?

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  1. anonymous
    • 4 years ago
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    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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