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CGP EDU Academic Team
Published on: August 13, 2026
What should be the value of K C for the reaction 2SO 2(g) + O 2(g) 
2SO 3(g) . If the amount are SO 3 = 48g, SO 2 = 12.8 and O 2 = 9.6 at equilibrium and the volume of the container is one litre?
Text Solution
Verified by ExpertsThe correct answer is:
B
2SO 2 (g) + O 2 (g) 
2SO 3 (g)
K C = 
Concentration in gram mole/litre, therefore
[SO 3 ] = 
(Where 80 is molecular weight of SO 3 )
[SO 2 ] = 
(Where 64 is molecular weight of SO 2 )
[O 2 ] = 
(Where 32 is molecular weight of O 2 )
Thus, K C = = 0.30
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