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A 500 ml vessel contains 1.5 M each of A...

A 500 ml vessel contains 1.5 M each of A, B, C and D at equilibrium if 0.5 M each of C and D are taken out the value of `K_c` for `A+BiffC+D` will be

A

`1.0`

B

`1/9

C

`4/9

D

`8/9`

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