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When A2 and B2 are allowed to react, the...

When `A_2` and `B_2` are allowed to react, the equilibrium constant of the reaction at `27^@C` is `K_C = 4`

What will be the equilibrium concentration of AB?

A

`1.33 M `

B

`2.66 M`

C

`0.66 M`

D

`0.33 M`

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The correct Answer is:
D
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