2. A on is made by mixing 1.08 g of an unknown non-volatile non-electrolyte with g of benzene. The free 10.00 zing point of pure benzene is 5.5°C. The molal reezin ng point depression constant, K for benzene is 5.12°C/molal. The following data were obtained in a freezing point depression experiment Time, min Temperature C TemperatureC 0.5 0.1 0.8 0.9 0.8 0.7 0.6 0.5 0.4 0.2 -0.5 1.2 Time min 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 23.8 22.1 20.2 18.5 16.6 14.8 12.7 10.8 9.1 7.2 5.5 3.6 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 22.0 23.0 24.0 25.0 Plot a graph of time/temperature, using the y-axis for temperature and the x-axis for time. Determine the freezing point of the solution. A. 2 De-tereine tHe alality of the solthon

Question
2. A
on is made by mixing 1.08 g of an unknown non-volatile non-electrolyte with
g of benzene. The free
10.00
zing point of pure benzene is 5.5°C. The molal
reezin
ng point depression constant, K for benzene is 5.12°C/molal. The following data
were obtained in a freezing point depression experiment
Time, min Temperature C
TemperatureC
0.5
0.1
0.8
0.9
0.8
0.7
0.6
0.5
0.4
0.2
-0.5
1.2
Time min
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
11.0
12.0
23.8
22.1
20.2
18.5
16.6
14.8
12.7
10.8
9.1
7.2
5.5
3.6
13.0
14.0
15.0
16.0
17.0
18.0
19.0
20.0
21.0
22.0
23.0
24.0
25.0
Plot a graph of time/temperature, using the y-axis for temperature and the x-axis
for time. Determine the freezing point of the solution.
A.
2 De-tereine tHe alality of the solthon

Image Transcription

2. A on is made by mixing 1.08 g of an unknown non-volatile non-electrolyte with g of benzene. The free 10.00 zing point of pure benzene is 5.5°C. The molal reezin ng point depression constant, K for benzene is 5.12°C/molal. The following data were obtained in a freezing point depression experiment Time, min Temperature C TemperatureC 0.5 0.1 0.8 0.9 0.8 0.7 0.6 0.5 0.4 0.2 -0.5 1.2 Time min 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 23.8 22.1 20.2 18.5 16.6 14.8 12.7 10.8 9.1 7.2 5.5 3.6 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 22.0 23.0 24.0 25.0 Plot a graph of time/temperature, using the y-axis for temperature and the x-axis for time. Determine the freezing point of the solution. A. 2 De-tereine tHe alality of the solthon

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