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5 moles of SO(2) and 5 moles of O(2) rea...

5 moles of `SO_(2)` and 5 moles of `O_(2)` react in a closed vessel. At equilibrium 60% of the `SO_(2)` is consumed . The total number of gaseous moles`(SO_(2),O_(2)andSO_(3))` in the vessel is :-

A

5.1

B

3.9

C

10.5

D

8.5

Text Solution

Verified by Experts

The correct Answer is:
D
`{:(,2SO_(2),+,O_(2),hArr,2SO_(3)),("Initial moles",5,,5,,0),("At equilibrium",5-3,,5-(3)/(2),,3(5xx(60)/(1000)=3)):}`
Total number of moles in the vessel `=2+3.5+3=8.5`
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