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Calculate the molar mass of an unknown molecular compound mixed with solid camphor C10H16O, heated and then cooled giving the following data. show all steps in calculation.

mass of unknown: 0.195 g
Tf(camphor)= 179.8 degree C
Kf(camphor)=-40.0 degree C/m
mass of camphor-25.03g
Tf(solution)=176.7 degree C

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