An aqueous solution contains $13\mathrm{.}5\%$NaCl by mass.

Part A

What mass of water $($in grams$)$ is contained in $2\mathrm{.}1L$ of the vapor above this solution at $55C?$ The vapor pressure of pure water at $55C$ is $118$ torr $($Assume a van't Hoff factor of $1\mathrm{.}9$ for NaCl $)$