Скачать или смотреть Xanthotoxin is a natural product extracted from the fruits of Heracleum persicum that seems to have…

Xanthotoxin is a natural product extracted from the fruits of Heracleum persicum that seems to have some success in treating a skin discase known as psoriasis. a. Combustion of 0.0100 g of xanthotoxin in excess oxygen yielded 0.0244 g CO_2 and 0.00333 g H_2 O Calculate the empirical formula of xanthotoxin. b. A solution of 0.250 g xanthotoxin in 10.0 g carbon tetrachloride causes the freezing point of the solution to decrease by 3.46^∘ C . Given that K_f for CCl_4 is 29.8^∘ C / m and that xanthotoxin is a nonelectrolyte, calculate the molar mass and molecular formula of xanthotoxin.

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