Thyroxine an important hormone that controls the rate of, Ask an Expert

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Thyroxine, an important hormone that controls the rate of metabolism in the body, can be isolated from the thyroid gland. When 0.455g of Thyroxine is dissolve in 10.0g of benzene, the freezing point of the solutions depressed by 0.300C. What is the molar mass of thyroxine?

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