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Camphor  (C10H16O) melts at 179.8 C  and it has  freezing  point Depression constant Kf= 40.0 C/m.  When 0.186g of an organic substance of unknown molar mass is dissolved in 22.01 g of liquid camphor, the freezing point of the mixture is 176.7 C  What is the molar mass of the solute?

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