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Mass of lauric acid 7.248 -2.223g Freezing point temperature of pure lauric acid 43.7°C Freezing point temperature of Mass of unknown solute lauric acid/unknown solute solution Freezing point depression, AT Molality, m Moles of unknown solute Experimental molecular weight (molar mass) of unknown solute 39.6 °C 4.1°C 1.5 mol/kg molality of Solution (M)= To KF D.761 mol Mass of Solvent 27.249 = 0.00724kg muss of solute = 2.223 g z 292.12 g/mol Freezing Point depression => (AT) = 43.7-39.6 24.1°C Freeding Point depression constant of lauric acid (KF) = 3.96m. 4.12 21.05m 3.9% mol = 1.05 mg x 0.007249 20.0076 mol molecular weight of unuown solute = muss mol 2.2 2339 = 292.12 3 /mol 0.00761 Mal dyden-

Mass of lauric acid 7.248 -2.223g Freezing point temperature of pure lauric acid 43.7°C Freezing point temperature of Mass of unknown solute lauric acid/unknown solute solution Freezing point depression, AT Molality, m Moles of unknown solute Experimental molecular weight (molar mass) of unknown solute 39.6 °C 4.1°C 1.5 mol/kg molality of Solution (M)= To KF D.761 mol Mass of Solvent 27.249 = 0.00724kg muss of solute = 2.223 g z 292.12 g/mol Freezing Point depression => (AT) = 43.7-39.6 24.1°C Freeding Point depression constant of lauric acid (KF) = 3.96m. 4.12 21.05m 3.9% mol = 1.05 mg x 0.007249 20.0076 mol molecular weight of unuown solute = muss mol 2.2 2339 = 292.12 3 /mol 0.00761 Mal dyden-

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Mass of lauric acid 7.248 Mass of unknown solute -2.223g Freezing point temperature of pure lauric acid 43.7°C Freezing point temperature of lauric acid/unknown solute solution Freezing point depression, AT Molality, m Moles of unknown solute. Experimental molecular weight (molar mass) of unknown solute 39.6 °C 4.1°C 1.5 mol/kg 761 mol 1 20100724kg 292.12 g/mol Mass of Solvent 27.243 of solute = 2.223 9 Muss freezing Point depression => (AT) = 43.7-39.6 24.1°C Freeding Point depression constant of lauric acid (KF) = 3.9°Cin. 4.12. 21.05m molality of Solution (~) = OTC てー KF mol =1.05. molecular weight of unnown solutez 05 mx 0.0072μg 20.0074 Mol 2.2 23.39 = 292.12 3 /mol 0.00761 Mal dyden-mcnoil
Transcribed Image Text:Mass of lauric acid 7.248 Mass of unknown solute -2.223g Freezing point temperature of pure lauric acid 43.7°C Freezing point temperature of lauric acid/unknown solute solution Freezing point depression, AT Molality, m Moles of unknown solute. Experimental molecular weight (molar mass) of unknown solute 39.6 °C 4.1°C 1.5 mol/kg 761 mol 1 20100724kg 292.12 g/mol Mass of Solvent 27.243 of solute = 2.223 9 Muss freezing Point depression => (AT) = 43.7-39.6 24.1°C Freeding Point depression constant of lauric acid (KF) = 3.9°Cin. 4.12. 21.05m molality of Solution (~) = OTC てー KF mol =1.05. molecular weight of unnown solutez 05 mx 0.0072μg 20.0074 Mol 2.2 23.39 = 292.12 3 /mol 0.00761 Mal dyden-mcnoil
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