To determine the molar mass of an unknown, a student dissolved 0.201 gr of the unknown in 40 gr cyclohexane. If the freezing point decreases by 0.7°C, which of the following could be the unknown? (Note: Kt cyclohexane = 20.5 Kg.°C/mol) 1,4_dichlorobenzene (Mm = 147 g/mol) Naphthalene (Mm = 128.17 g/mol) Biphenyl (Mm= 154.21 g/mol) Phenol (Mm = 94.11 g/mol)

To determine the molar mass of an unknown, a student dissolved 0.201 gr of the unknown in 40 gr cyclohexane. If the freezing point decreases by 0.7°C, which of the following could be the unknown? (Note: Kt cyclohexane = 20.5 Kg.°C/mol) 1,4_dichlorobenzene (Mm = 147 g/mol) Naphthalene (Mm = 128.17 g/mol) Biphenyl (Mm= 154.21 g/mol) Phenol (Mm = 94.11 g/mol)

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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