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Calculate the molar mass of an unknown molecular compound mixed with solid camphor, C10H6O, heated and then cooled giving the following data. Show all steps in calculation.

Mass unknown: 0.195 g

Mass camphor: 25.03 g

Tr (camphor): 179.8 C

Tr (solution): 176.7 C

Kr (camphor): -40.0 C/m

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