The solubility of $C{O}_2$ in water is $3\mathrm{.}2{10}^{-10}M$ at $2C$ at $1$atm. What is the concentration of $C{O}_2$ in water where the partial pressure of $C{O}_2$ in air is $4\mathrm{.}0{10}^{-4}$ atm? Before we calculate it$,$ which is true for the concentration of the $C{O}_2?$

A$.>3\mathrm{.}2{10}^{-10}M$

B$.$ Close to $3\mathrm{.}2{10}^{-10}M$

C