Part I: Freezing point of solvent Time (s) 30 60 90 120 150 180 210 240 270 300 330 360 Temp(CC) 10 9.3 8.8 8.4 8.2 7.5 7.0 6.5 6.5 6.5 6.5 6.2 6.0 Part II: Freezing point of solution Time (s) 0 30 60 90 120 150 180 210 240 270 300 330 360 Temp(CC) 10 8.5 7.8 7.0 6.6 6.0 5.4 4.6 3.8 3.5 3.5 3.5 3.2

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter11: Solutions
Section: Chapter Questions
Problem 43P
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  1. What are the natural random uncertainties in reading your thermometer and balance?
  2. Plot the graph of temperature versus time for the solvent and the solution and determine the freezing point of each from the graph.

Part I: Freezing point of solvent
Time (s)
30
60
90
120
150
180
210
240
270
300
330
360
Temp(CC)
10
9.3
8.8
8.4
8.2
7.5
7.0
6.5
6.5
6.5
6.5
6.2
6.0
Part II: Freezing point of solution
Time (-) 0 30
60
90
120
150
180
210
240
270
300
330
360
Temp(C)
10
8.5
7.8
7.0
6.6
6.0
5.4
4.6
3.8
3.5
3.5
3.5
3.2
Transcribed Image Text:Part I: Freezing point of solvent Time (s) 30 60 90 120 150 180 210 240 270 300 330 360 Temp(CC) 10 9.3 8.8 8.4 8.2 7.5 7.0 6.5 6.5 6.5 6.5 6.2 6.0 Part II: Freezing point of solution Time (-) 0 30 60 90 120 150 180 210 240 270 300 330 360 Temp(C) 10 8.5 7.8 7.0 6.6 6.0 5.4 4.6 3.8 3.5 3.5 3.5 3.2
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