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Biology, 23.09.2019 19:00 EMQPWE

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 could be measured as 5.144°c. pure benzene freezes at 5.444°c and has a value for the molal freezing point depression constant of k f of 5.12°c/m. what is the approximate molar mass of thyroxine?

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