What is the pOH and $O{H}^{-}$of each solution?

a$.0\mathrm{.}8M$ LiOH,$pH=13\mathrm{.}9$

pOH$=$

$[O{H}^{-}]=$

b$.2{10}^{-2}MN{a}_{2}C{O}_3,pH=11\mathrm{.}3$

pOH$=$

$[O{H}^{-}]=$

c$.2$

$2{10}^{-3}MN{a}_{3}P{O}_4,pH=12\mathrm{.}0$

pOH$=$

$[O{H}^{-}]=$

$M$

d$.9\mathrm{.}0{10}^{-2}MKHC{O}_3,pH=8\mathrm{.}4$

pOH$=$

$[O{H}^{-}]=$