A solution was prepared by dissolving 18.00 g of glucose in 150.0 g of water. The resulting
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A solution was prepared by dissolving 18.00 g of glucose in 150.0 g of water. The resulting solution was found to have a boiling point of 100.34°C at 1 atm. Calculate the molar mass of glucose. Glucose is a molecular solid that is present as individual molecules in solution.
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TABLE 17.5 Molal Boiling-Point Elevation Constants (Kb) and Freezing-Point Depression Constants (K) for Several Solvents Solvent Water (HO) Carbon tetrachloride (CC14) Chloroform (CHC13) Benzene (C6H6) Carbon disulfide (CS) Ethyl ether (C4H10O) Camphor (C10H160) Boiling Point (C) 100.0 76.5 61.2 80.1 46.2 34.5 208.0 Kb (C kg/mol) 0.51 5.03 3.63 2.53 2.34 2.02 5.95 Freezing Point (C) 0. -22.99 -63.5 5.5 -111.5 -116.2 179.8 Kf (C kg/mol) 1.86 30. 4.70 5.12 3.83 1.79 40.
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