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ICSE Class 10 Answered

Please Answer 2500cc of oxygen was burnt with 600cc of ethane [C2H6]. Calculate the volumeof unused oxygen and the volume of carbon dioxide formed.
Asked by vprincesolomon07 | 06 Aug, 2018, 11:09: PM
answered-by-expert Expert Answer

2C2H6 +7O2 →4CO2 +6H2O

  2V       7V       4V

 

Now from the equation, 2V of ethane reacts with = 7 V of oxygen

So, 600cc of ethane reacts with= fraction numerator 600 cross times 7 over denominator 2 end fraction space equals space 2100 space c c

 

Hence, unused O2 is = 2500 - 2100 = 400 cc

 

From 2V of ethane = 4 V of CO2 is produced

So, 600cc of ethane will produce =fraction numerator 600 cross times 4 over denominator 2 end fraction space equals space 1200 space c c CO2

Answered by Ramandeep | 07 Aug, 2018, 11:32: AM

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