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The equilibrium constant Kc for the reaction below is 0.00399 at a certain temperature. Br2(g) ⇌...

The equilibrium constant Kc for the reaction below is 0.00399 at a certain temperature.

Br2(g) ⇌ 2Br(g)


If the initial concentrations are
[Br2] = 0.0395 M
and
[Br] = 0.0655 M,
calculate the concentrations of these species at equilibrium.

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