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When 8.72g of a certain molecular compound X are dissolved in 45.g of benzene (C6II6), the freezing point of the solution is measured to be 4.5 c. Calculate the molar mass of X. If you need any additional information on benzene, use only what you find in the ALEKS Data resource. Also, be sure your answer has a unit symbol, and is rounded to the correct number of signuficant digits