![]() Test tube with benzophenone was kept inside 500 ml beaker. The temperature was increased.Ībout 8 gram of benzophenone was measured in 50ml beaker and kept inside test tube. Water was poured in 500 ml beaker and placed above the hot tub. At first, the mass of empty 500 mlīeaker was weighted and mass of test tube along with beaker was measured. To determine the molality of unknown, test tube, thermometer, 500 ml beaker, 50 ml beaker and Molality of the solutions could be used to determine molar mass of unknown. Molar mass of unknown substance through molality of the solution. The purpose of the experiment was to find the Molality of the solutions could also be determined from change in temperature per molalįreezing point depression constant of the solvents. Molality is the number of moles of solute per kilogram mass of solvents. Solutions and Freezing Point Introduction:
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