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18 Nov 2019
Experiment 19 Data and Calculations: Molar Mass Determination by Depression of the Freezing Point A. Measured Freezing Point of Pure Water B. Finding the Freezing Point of a solution of Liquid Unknown Target mass of solute (Calculated based on the parameters in the instructions) Unknown Actual mass of solute used Trial I Freezing point of solution (observed) Mass of solution Trial II Freezing point of solution Mass of solution Calculations: Trial II Trial I Freezing point depression molal molal Molality of unknown solution, m, Mass of solution Mass of solute Mass of solvent (water) mol. mold Moles of solute g/mol Molar mass of unknown (continued on following page)
Experiment 19 Data and Calculations: Molar Mass Determination by Depression of the Freezing Point A. Measured Freezing Point of Pure Water B. Finding the Freezing Point of a solution of Liquid Unknown Target mass of solute (Calculated based on the parameters in the instructions) Unknown Actual mass of solute used Trial I Freezing point of solution (observed) Mass of solution Trial II Freezing point of solution Mass of solution Calculations: Trial II Trial I Freezing point depression molal molal Molality of unknown solution, m, Mass of solution Mass of solute Mass of solvent (water) mol. mold Moles of solute g/mol Molar mass of unknown (continued on following page)