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a. Freezing point of pure water, Tf = 0 °C Freezing point of solution, Tf = -0. 34 °C Freezing point depression, ATf = ..0- (-0.34)) = 0.34°C %3D Molal freezing point depression of water, Kf = …1.86°C kg/mol wwwm b. Molality of solution, m = …. C. Molecular weight of solute, MWs = ...

a. Freezing point of pure water, Tf = 0 °C Freezing point of solution, Tf = -0. 34 °C Freezing point depression, ATf = ..0- (-0.34)) = 0.34°C %3D Molal freezing point depression of water, Kf = …1.86°C kg/mol wwwm b. Molality of solution, m = …. C. Molecular weight of solute, MWs = ...

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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1. The freezing point datas of pure water and 150 grams of H20 that includes 10 g of sucrose (C12H22011) are given below. According to these datas, calculate the molecular weight of 10 g sucrose (C12H22011) dissolved in 150 g of H2O. a. Freezing point of pure water, Tf = 0 °C Freezing point of solution, Tf = -0. 34 °C Freezing point depression, ATf = ... (0- (-0.34)) = 0.34°C Molal freezing point depression of water, Kf = •.1.86°C kg/mol b. Molality of solution, m = . c. Molecular weight of solute, MWs = .. %3D 2. Find the theoretical molecular weight of solute in literature and calculate the percentage error in molecular weight. MWs, real = Error%=
Transcribed Image Text:1. The freezing point datas of pure water and 150 grams of H20 that includes 10 g of sucrose (C12H22011) are given below. According to these datas, calculate the molecular weight of 10 g sucrose (C12H22011) dissolved in 150 g of H2O. a. Freezing point of pure water, Tf = 0 °C Freezing point of solution, Tf = -0. 34 °C Freezing point depression, ATf = ... (0- (-0.34)) = 0.34°C Molal freezing point depression of water, Kf = •.1.86°C kg/mol b. Molality of solution, m = . c. Molecular weight of solute, MWs = .. %3D 2. Find the theoretical molecular weight of solute in literature and calculate the percentage error in molecular weight. MWs, real = Error%=
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