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If volume of a mixture of CO2 and CO increases by 20% on passing over hot coke, the percentage of CO2 in original mixture is ?

If volume of a mixture of CO2 and CO increases by 20% on passing over hot coke, the percentage of CO2 in original mixture is ?

Grade:11

1 Answers

Arun
25750 Points
3 years ago
Consider a mixture of CO 
2
​ 
  and CO in which 
CO 
2
​ 
 −x & CO=100−x i.e., total is 100 volume.
According to the question after passing mixture are hot coke an increase by 20% is seem i.e.,
By the reaction given we know CO 
2
​ 
  change to CO with a doubling of volume
⇒ 2x+(100−x)=120
⇒ 
x=20
​ 

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