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試卷名稱：114年 - [無官方正解]114 台灣聯合大學系統_度學士班轉學生考試_A1﹕普通化學#128207
年份：114年
科目：研究所、轉學考(插大)◆普通化學
9. Thyroxine, an important hormone that controls the rate of metabolism in the body, can be isolated from the thyroid gland. If 0.455 g of thyroxine is dissolved in 10.0 g of benzene, the freezing point of the solution is 5.144°C. Pure benzene freezes at 5.444°C and has a value for the molal freezing-point-depression constant of 
of 5.12°C/m. What is the molar mass of thyroxine?
(A) 7770 g/mol
(B) 777 g/mol
(C) 2330 g/mol
(D) 285 g/mol
(E) 3760 g/mol
