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Please answer part A and B. A solution of 5.0g benzoic acid (C6HCOOH) in 100.0g of carbon tetrachloride (Kb=5.03 C/m;BP=76.5C ) has a boiling point

Please answer part A and B.

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A solution of 5.0g benzoic acid (C6HCOOH) in 100.0g of carbon tetrachloride (Kb=5.03 C/m;BP=76.5C ) has a boiling point of 77.5C. a. Calculate the molar mass of benzoic acid in the solution b. Suggest a reason for the difference between the molar mass based on the formula and that found in part(a)

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