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For an equilibrium reaction, N(2)O(4)(g)...

For an equilibrium reaction, `N_(2)O_(4)(g) hArr 2NO_(2)(g)`, the concentrations of `N_(2)O_(4)` and `NO_(2)` at equilibrium are `4.8 xx 10^(-2)` and `1.2 xx 10^(-2) mol//L` respectively. The value of `K_(c)` for the reaction is

A

`3xx10^(-3)mol//L`

B

`3.3xx10^(-3)mol//L`

C

`3xx10^(-1)mol//L`

D

`3.3xx10^(-1)mol//L`

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The correct Answer is:
A
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For the reaction equilibrium, N_(2)O_(4(g))hArr2NO_(2(g)) , the concentration of N_(2)O_(4) and NO_(2) at equilibrium are 4.8xx10^(-2) and 1.2xx10^(-2) mol/L respectively. The value of K_(c) for the reaction is:

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