Acetic Acid Acetic Acid + Unknown Time, min Temp., "C Time, min Temp., °C 0.00 0.25 0.50 0.75 22.20 20.75 18.75 16.50 0.00 19.00 0.25 18.00 0.50 0.75 17,00 15.00 1.00 14.80 1.00 13.75 1.25 14.50 1.25 13.00 1.50 14.25 1.50 2.00 11.25 2.00 14.50 8.75 7.75 2.50 15.00 2.50 3.00 3.50 15.30 3.00 7.50 15.30 15.30 15.30 15.30 3.50 7.75 8.20 4.00 4.00 4.50 4.50 8.50 8.40 5.00 5.00 15.50 5.50 15.20 8.25 8.20 6.00 15.20 6.00 6.50 15.20 15.20 15.20 6.50 7.00 7.50 8.10 7.00 8.00 7.50 7.90 7.80 8.00 15.20 8.00 Prepare a graph for acetic acid and for the solution containing 1.20 g unknown solute in 10.0 g acetic acid. Place time on x-axis and temperature on y-axis. Determine the freezing point of acetic acid from the curve. Determine the freezing point of unknown-acetic acid solution from the curve. Calculate freezing point depression, ATr Calculate the molality of the solution. Determine moles of solute Calculate the molar mass of the unknown. 8.
Acetic Acid Acetic Acid + Unknown Time, min Temp., "C Time, min Temp., °C 0.00 0.25 0.50 0.75 22.20 20.75 18.75 16.50 0.00 19.00 0.25 18.00 0.50 0.75 17,00 15.00 1.00 14.80 1.00 13.75 1.25 14.50 1.25 13.00 1.50 14.25 1.50 2.00 11.25 2.00 14.50 8.75 7.75 2.50 15.00 2.50 3.00 3.50 15.30 3.00 7.50 15.30 15.30 15.30 15.30 3.50 7.75 8.20 4.00 4.00 4.50 4.50 8.50 8.40 5.00 5.00 15.50 5.50 15.20 8.25 8.20 6.00 15.20 6.00 6.50 15.20 15.20 15.20 6.50 7.00 7.50 8.10 7.00 8.00 7.50 7.90 7.80 8.00 15.20 8.00 Prepare a graph for acetic acid and for the solution containing 1.20 g unknown solute in 10.0 g acetic acid. Place time on x-axis and temperature on y-axis. Determine the freezing point of acetic acid from the curve. Determine the freezing point of unknown-acetic acid solution from the curve. Calculate freezing point depression, ATr Calculate the molality of the solution. Determine moles of solute Calculate the molar mass of the unknown. 8.
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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Question
Transcribed Image Text:Acetic Acid
Time, min
Acetic Acid + Unknown
Temp., "C
Time, min
Temp., °C
0.00
0.25
0.50
0.75
1.00
1.25
1.50
2.00
22.20
20.75
18.75
0.00
0.25
0.50
19.00
18.00
17.00
16.50
0.75
15.00
14.80
1.00
13.75
14.50
1.25
13.00
14.25
1.50
2.00
11.25
8.75
14.50
2.50
15.00
2.50
7.75
3.00
3.50
15.30
3.00
7.50
15.30
3.50
4.00
4.50
7.75
4.00
15.30
8.20
4.50
15.30
15.30
8.50
8.40
5.00
5.50
6.00
5.00
35.50
6.00
15.20
8.25
8.20
15.20
6.50
15.20
6.50
8.10
8.00
7.90
7.00
15.20
7.00
7.50
15.20
7.50
8.00
15.20
8.00
7.80
Prepare a graph for acetic acid and for the solution containing 1.20 g unknown solute in 10.0 g
acetic acid. Place time on x-axis and temperature on y-axis.
Determine the freezing point of acetic acid from the curve.
Determine the freezing point of unknown-acetic acid solution from the curve.
Calculate freezing point depression, ATr
Calculate the molality of the solution.
Determine moles of solute
Calculate the molar mass of the unknown.
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