A solution was prepared by dissolving 30 g of Colligative Properties of Solution naphthalene (MM= 128.2 g/mol) in 650.0 g of a certain solvent X. It was determined that the freezing point of the resulting solution was 3.685°C. a. Assuming that the solution is ideally dilute, what is the van't Hoff factor? b. What is the molal concentration of the solute in the solution? c. If the freezing point of the pure solvent is 5.53°C, determine the KF of the solvent. d. What is the identity of the solvent? Refer to the Table below. e. What is the boiling point of the solution, if the boiling point of the pure solvent is 80.10°C and K= 2.53 °C/m?
A solution was prepared by dissolving 30 g of Colligative Properties of Solution naphthalene (MM= 128.2 g/mol) in 650.0 g of a certain solvent X. It was determined that the freezing point of the resulting solution was 3.685°C. a. Assuming that the solution is ideally dilute, what is the van't Hoff factor? b. What is the molal concentration of the solute in the solution? c. If the freezing point of the pure solvent is 5.53°C, determine the KF of the solvent. d. What is the identity of the solvent? Refer to the Table below. e. What is the boiling point of the solution, if the boiling point of the pure solvent is 80.10°C and K= 2.53 °C/m?
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
Chapter11: Properties Of Solutions
Section: Chapter Questions
Problem 7RQ: Vapor-pressure lowering is a colligative property, as are freezing-point depression and...
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Colligative properties of solution
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![Colligative Properties of Solution
naphthalene (MM= 128.2 g/mol) in 650.0 g of a certain solvent X. It was determined that the freezing
point of the resulting solution was 3.685°C.
A solution was prepared by dissolving 30 g of
a. Assuming that the solution is ideally dilute, what is the van't Hoff factor?
b. What is the molal concentration of the solute in the solution?
c. If the freezing point of the pure solvent is 5.53°C, determine the KF of the solvent.
d. What is the identity of the solvent? Refer to the Table below.
c. What is the boiling point of the solution, if the boiling point of the pure solvent is 80.10°C and
K,= 2.53 °C/m?
Table 1. Kfof solvents used for colligative properties experiments
Solvent
Kr, °C/m
water
1,86
Acetic acid
benzene
nitrobenzene
phenol
3.90
5.12
8,1
7,27](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F12cb5dd1-d63b-414f-bb35-5c20e0af8785%2F5a865e28-57c4-4f8e-afb0-34e72bb60f5e%2F65v6jk8_processed.png&w=3840&q=75)
Transcribed Image Text:Colligative Properties of Solution
naphthalene (MM= 128.2 g/mol) in 650.0 g of a certain solvent X. It was determined that the freezing
point of the resulting solution was 3.685°C.
A solution was prepared by dissolving 30 g of
a. Assuming that the solution is ideally dilute, what is the van't Hoff factor?
b. What is the molal concentration of the solute in the solution?
c. If the freezing point of the pure solvent is 5.53°C, determine the KF of the solvent.
d. What is the identity of the solvent? Refer to the Table below.
c. What is the boiling point of the solution, if the boiling point of the pure solvent is 80.10°C and
K,= 2.53 °C/m?
Table 1. Kfof solvents used for colligative properties experiments
Solvent
Kr, °C/m
water
1,86
Acetic acid
benzene
nitrobenzene
phenol
3.90
5.12
8,1
7,27
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