For the reaction $${{\text{I}}_{\text{2}}}\left( {\text{g}} \right)$$ $$ \rightleftharpoons$$ 21(g). $${K_C} = 3.76 \times {10^{ - 5}}\,\,$$ at $${727^0}$$ Let 1 mole of $${{\text{I}}_{\text{2}}}$$ be injection into a 2 litre glass box at $${727^0}$$. What will be the concentration of $${{\text{I}}_{\text{2}}}$$ and $$\,\,{\text{I}}$$ when the equilibrium is attained ?