Determine the normal boiling point of a substance whose vapor pressure is $55\mathrm{.}1mmHg$ at $35C$ and has a $H_{\text{v}\text{a}\text{p}}$ of $41\mathrm{.}2k\frac{J}{m}ol.$ Normal boiling point is the boiling point at $760mmHg.$

Kelvin $=C+273$

$1kJ=1000J$

$R=8\mathrm{.}314\frac{J}{m}ol.K$

$412K$

$255K$

$390K$

$466K$

$368K$