Question: 1. Calculate the freezing-point depression for a solution prepared by dissolving 25.0g of C8H18 in 175g of benzene. (KF = 4.90oC/m for benzene). 2. If

1. Calculate the freezing-point depression for a solution prepared by dissolving 25.0g of C8H18 in 175g of benzene. (KF = 4.90oC/m for benzene).

2. If 2.6g of unknown solute are dissolved in 28g of water, the freezing-point depression is 2.7oC. a. Calculate the molality of the solution if KF = 1.86oC/m for water b. Calculate the molar mass of the solute.

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