What is the vapor pressure in $mmHg$ of the solution prepared by dissolving $1125g$ glucose $(C_6{H}_{12}{O}_6)$ in $450g$ water at $25C?(H_{2}O$:$18\frac{g}{?}$ mole, $C_6{H}_{12}{O}_6$:$180\frac{g}{?}$ mole, $P$ vapor $(25($:$C\}$

A$)12\mathrm{.}6$

B$)19\mathrm{.}2$

C$)20\mathrm{.}8$

D$)21\mathrm{.}4$

E$)28\mathrm{.}6$

$16g$ glucose and $300g$ water are added to a $80g$ glucose $(C_6{H}_{12}{O}_6)$ solution of $25\%$ by mass. Accordingly, what is the molality and mole fraction $\%$ of glucose in the new mixture obtained? $(C_6{H}_{12}{O}_6$:$180\frac{g}{m}$ole$)$

A$)0\mathrm{.}30m-\%1\mathrm{.}50$

B$)0\mathrm{.}40m-\%,0\mathrm{.}99$

D$)0\mathrm{.}55m-\%2\mathrm{.}02$

E$)0\mathrm{.}70m-\%2\mathrm{.}02$

C$)0\mathrm{.}55m-\%0\mathrm{.}99$