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The freezing point of a solution containing 4.12 g of unknown solute in 100 g of camphor is 166.2 C. Camphor has Kf = 37.7 C/m.Tf = 178.4.
1. What is the freezing point depression fo this solution?
2. What is the molality of the solution of unknown solute in camphor?
3. What is the molar mass of the unknown solute?

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