試卷名稱:113年 - 113 國立臺灣大學_轉學生招生考試:普通化學(C)#126296
年份:113年
科目:研究所、轉學考(插大)◆普通化學
7. When 1.32 g of benzoic acid (C6H5COOH) is dissolved in 12.52 g of benzene, the freezing point of the solution is determined to be 3.29°C. The normal freezing point of pure benzene is 5.50°C, and its molal freezing-point depression constant
. Calculate the molar mass of benzoic acid by this colligative property method.
(A) 61 g/mol
(B) 110 g/mol
(C) 122 g/mol
(D) 220 g/mol
(E) 244 g/mol