Thyroxine, an Important Hormone That Controls the Rate of Metabolism

question 84

Short Answer

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 K_f of 5.12°C/m.What is the molar mass of thyroxine?

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