Boiling point of pure ethand is $78\mathrm{.}37C.$ Benzoic acid is a nonvolatile, noneleotrolyte solute that is soluble in ethandl. What mass of benzorc acid must be dissolved in $45\mathrm{.}0$grans of ethanol to give a solution whose boiling point is $84\mathrm{.}50C?$ Molar Mass of benzoic acid $=12$ z$.1z\frac{s}{m}ol{K}_b$ of ethand $=1\mathrm{.}22\frac{C}{m}$ a$\mathrm{.}33\mathrm{.}7$ b$.14\mathrm{.}4$ C$.$ Cantbe determined d$.7\mathrm{.}39$ e$.27\mathrm{.}6$