Quinine is a natural product extracted from the bark of the cinchona tree, which is native to South America. Quinine is used as an antimalarial agent. When 1.20 g of quinine is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is lowered by 3.07 °C. The freezing point and Kf constant for cyclohexane can be found here. Calculate the molar mass of quinine.cyclohexane C6H12(formula) 20.8 (Kf value C/m) 6.59 (freezing point C)2.92( Kb value C/m) 80.7 (normal boiling point C)

Question

Quinine is a natural product extracted from the bark of the cinchona tree, which is native to South America. Quinine is used as an antimalarial agent. When 1.20 g of quinine is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is lowered by 3.07 °C. The freezing point and Kf constant for cyclohexane can be found here. Calculate the molar mass of quinine.

cyclohexane C6H12(formula) 20.8 (Kf value C/m) 6.59 (freezing point C)
2.92( Kb value C/m) 80.7 (normal boiling point C)

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