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Grade: 12
        

 


gaseous state


A 20cc mixture of  CO,CH4 and He gases is exploded by an electric discharge


At room temp. with excess of oxygen. the decrease in volume is found to be 13cc. a further contraction of 14cc occurs when the residual is treated with  KOH solution.


Find out the gaseous mixture in terms of volume %.

10 years ago

Answers : (1)

askiitian.expert- chandra sekhar
10 Points
							

Hi Tejas,

20 cc volume

13 cc decreased

therefore 7 cc volume

how can there be contration of 14cc

check the question once... if it is proper then we have to consider the temp change.

10 years ago
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