4) The molality of naphthalene in a solution of naphthalene (C₁oHs, MW= 128.18 g/mol) and cyclohexane (C6H12, MW = 84.16 g/mol) is my = 0.438 mol/kg. Using the information given below (given at p = 1.00 atm) find the normal melting point and normal boiling point of the solution T* = 6.6 °C (normal freezing point for cyclohexane) Kr=20.0 kg °C/mol (freezing point depression constant for cyclohexane) To* = 80.7 °C (normal boiling point for cyclohexane) Kb = 2.79 kg °C/mol (boiling point depression constant for cyclohexane)
4) The molality of naphthalene in a solution of naphthalene (C₁oHs, MW= 128.18 g/mol) and cyclohexane (C6H12, MW = 84.16 g/mol) is my = 0.438 mol/kg. Using the information given below (given at p = 1.00 atm) find the normal melting point and normal boiling point of the solution T* = 6.6 °C (normal freezing point for cyclohexane) Kr=20.0 kg °C/mol (freezing point depression constant for cyclohexane) To* = 80.7 °C (normal boiling point for cyclohexane) Kb = 2.79 kg °C/mol (boiling point depression constant for cyclohexane)
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 12.95QE
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Transcribed Image Text:4) The molality of naphthalene in a solution of naphthalene (C10H8, MW= 128.18 g/mol) and cyclohexane
(C6H12, MW = 84.16 g/mol) is my = 0.438 mol/kg. Using the information given below (given at p = 1.00
atm) find the normal melting point and normal boiling point of the solution
T* = 6.6 °C (normal freezing point for cyclohexane)
Kr=20.0 kg °C/mol (freezing point depression constant for cyclohexane)
Tb* = 80.7 °C (normal boiling point for cyclohexane)
Kb = 2.79 kg °C/mol (boiling point depression constant for cyclohexane)
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