$4\mathrm{.}00$mol of $C{O}_2(g)$ are placed in a $9\mathrm{.}00L$ container. The following reaction occurs until

equilibrium is established. Calculate the equilibrium concentrations of each species.

$2C{O}_2(g)2CO(g)+O_2(g),K_c=3\mathrm{.}8{10}^{-9}$

$[O_2]=,M$

$[CO]=,M$

$[C{O}_2]=,M$