5.4 Poly(ethylene glycol), PEG, is soluble in water. A series of tests were done to determine the average molecular weight of PEG by measuring the boiling point of solutions of PEG in water at different concentrations, as given below: C (g/dL) 0 (pure water) 0.062 0.148 0.370 0.623 Tb (°C) 100.00000 100.00015 100.00031 100.00052 100.00058 A. What is the repeat structure of PEG? B. Which type of average molecular weight is determined from the data given? C. What is the average molecular weight of this PEG sample?

5.4 Poly(ethylene glycol), PEG, is soluble in water. A series of tests were done to determine the average molecular weight of PEG by measuring the boiling point of solutions of PEG in water at different concentrations, as given below: C (g/dL) 0 (pure water) 0.062 0.148 0.370 0.623 Tb (°C) 100.00000 100.00015 100.00031 100.00052 100.00058 A. What is the repeat structure of PEG? B. Which type of average molecular weight is determined from the data given? C. What is the average molecular weight of this PEG sample?

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter12: Solutions

Section: Chapter Questions

Problem 12.91QE: Predict the relative solubility of each compound in the two solvents, based on the intermolecular...

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