I have to figure out van't Hoff factor from the following information. I tried 1.0 and 2.0 but it says I am wrong. Graph 1Freezing-point depression (°C)0.8750.750.6250.50.3750.25125Linear regression: y = 1.86xMolality of solution (m)bistX Lab DataMass of calorimeter + solution + ice (g)Freezing-point of solution (°C)Mass of calorimeter + ice after decanting (g)Mass of ice added (g)Mass of ice remaining after decanting (g)Mass of melted ice (g)Mass of water in final solution (g)Mass of water in final solution (kg)Molality of solution (m)Freezing-point depression (°C)van't Hoff factor110.84-0.1939.8844.3322.6621.6768.990.068990.1580.29How to calculate van't Hoff factor115.87-0.4130.3746.1812.9233.2681.440.081440.2760.51116.86-0.6031.6245.0114.2930.7279.83- X0.079830.3760.70

The depression in the freezing of a solvent when a non volatile solute is added is expressed as…

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I have to figure out van't Hoff factor from the following information. I tried 1.0 and 2.0 but it says I am wrong.

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter14: Mixtures And Solutions

Section14.3: Factors Affecting Solvation

Problem 42SSC

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I have to figure out van't Hoff factor from the following information. I tried 1.0 and 2.0 but it says I am wrong.

Graph 1
Freezing-point depression (°C)
0.875
0.75
0.625
0.5
0.375
0.25
125
Linear regression: y = 1.86x
Molality of solution (m)
bist
X

Lab Data
Mass of calorimeter + solution + ice (g)
Freezing-point of solution (°C)
Mass of calorimeter + ice after decanting (g)
Mass of ice added (g)
Mass of ice remaining after decanting (g)
Mass of melted ice (g)
Mass of water in final solution (g)
Mass of water in final solution (kg)
Molality of solution (m)
Freezing-point depression (°C)
van't Hoff factor
110.84
-0.19
39.88
44.33
22.66
21.67
68.99
0.06899
0.158
0.29
How to calculate van't Hoff factor
115.87
-0.41
30.37
46.18
12.92
33.26
81.44
0.08144
0.276
0.51
116.86
-0.60
31.62
45.01
14.29
30.72
79.83
- X
0.07983
0.376
0.70

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