Part A: Volume of Cyclohexane mL Mass of cyclohexane (d= 0.7786 g/mL) 6.0 Freezing Point of cyclohexane °C 128 Part B: Molecular Weight of Naphthalene g/mol 0.23 Mass of Sample 1 Moles of Sample 1 Mass of Sample 2 0.18 Moles of Sample 2 m (mol/kg solvent) T,('C) AT, Moles Naphthalene 5.1 TRIAL 1 - 5.3 TRAIL 2 CC/m) 1 Cuelehexane
Part A: Volume of Cyclohexane mL Mass of cyclohexane (d= 0.7786 g/mL) 6.0 Freezing Point of cyclohexane °C 128 Part B: Molecular Weight of Naphthalene g/mol 0.23 Mass of Sample 1 Moles of Sample 1 Mass of Sample 2 0.18 Moles of Sample 2 m (mol/kg solvent) T,('C) AT, Moles Naphthalene 5.1 TRIAL 1 - 5.3 TRAIL 2 CC/m) 1 Cuelehexane
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter13: The Chemistry Of Solutes And Solutions
Section: Chapter Questions
Problem 16QRT
Related questions
Question
![Name:
Date:
Section:
Report Sheet: Determination of Molecular Weight Through Freezing Point
Depression Analysis
30
Part A:
Volume of Cyclohexane
mL
Mass of cyclohexane (d =0.7786 g/mL)
6.0
°C
Freezing Point of cyclohexane
128
Part B:
Molecular Weight of Naphthalene
g/mol
0.23
Mass of Sample 1
Moles of Sample 1
Mass of Sample 2
0.18
Moles of Sample 2
Moles
m (mol/kg solvent) T,('C)
AT,
Naphthalene
5.1
TRIAL 1
5.3
TRAIL 2
k, Cyclohexane
CC/m)
Part C:
Unknown Number
0.21
0.19
Mass of Sample 1
Mass of Sample 2
Grams Unknown
T,('C)
AT
0.21
4.8
TRIAL 1
0.19
5.0
TRAIL 2
Moles UnknownTRIAL 1
(moles)
TRIAL 2
(moles)
TRIAL 1
(g/mol)TRIAL 2
(g/mol)
Molecular Weight Unknown
(g/mol)
AVERAGE MOLECULAR WEIGHT OF UNKNOWN](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2704aedc-cd59-4651-b157-0d8c71ae74f0%2Fc6463978-b6fd-42b8-aa2f-62ee50c0143a%2Fh2pxhyx_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Name:
Date:
Section:
Report Sheet: Determination of Molecular Weight Through Freezing Point
Depression Analysis
30
Part A:
Volume of Cyclohexane
mL
Mass of cyclohexane (d =0.7786 g/mL)
6.0
°C
Freezing Point of cyclohexane
128
Part B:
Molecular Weight of Naphthalene
g/mol
0.23
Mass of Sample 1
Moles of Sample 1
Mass of Sample 2
0.18
Moles of Sample 2
Moles
m (mol/kg solvent) T,('C)
AT,
Naphthalene
5.1
TRIAL 1
5.3
TRAIL 2
k, Cyclohexane
CC/m)
Part C:
Unknown Number
0.21
0.19
Mass of Sample 1
Mass of Sample 2
Grams Unknown
T,('C)
AT
0.21
4.8
TRIAL 1
0.19
5.0
TRAIL 2
Moles UnknownTRIAL 1
(moles)
TRIAL 2
(moles)
TRIAL 1
(g/mol)TRIAL 2
(g/mol)
Molecular Weight Unknown
(g/mol)
AVERAGE MOLECULAR WEIGHT OF UNKNOWN
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