Question

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Epinephrine is a hormone that regulates stress responses. 0.804 g of epinephrine was dissolved in water and made up to the mark in a 500. mL volumetric flask. The resulting osmotic pressure of the solution was observed to be 21.7 kPa at 25 degree C. What is the molar mass of epinephrine? {R = 8.314 L kPa K^-1 mol^-1} Complete the following table by drawing the structure of each compound.

Answer 1

Lu molan mssM 6. 80 Manuh molan wua 0804 298メ8.314 g /mglu 7) 0.5 21.3 8 3-591 g/rade Ca CH 3 em eni