if two moles of each nh3 and o2 are allowed to react and euipibrium is attained after 50% of o2 has reacted. what is the value of the equilibrium comstamt for this reaction
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2SO
2
+O
2
→2SO
3
2 1 0 ------ initial
2-2x 1-x 2x ------- eqbm
Moles of SO
3
at eqn =2x=1.6
x=0.8
[SO
2
]=2−2x=2−2×0.8=0.4
[O
2
]=1−x=1−0.8=0.2
[SO
3
]=1.6
K
c
=
(SO
2
)
2
[O
2
]
[SO
3
]
2
K
c
=
[0.4]
2
[0.2]
[1.6]
2
K
c
=80
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