The colligative properties of solutions depend on the total concentration of solute particles, regardless of whether the particles are ions or molecules. TABLE Q1 describes the measured and ideal values of van't Hoff factors, i for several substances at 25 °C. TABLE Q1 Compound Measured i values Ideal i 0.100 m 0.0100 m 0.00100 m values NaCI 1.87 1.94 1.97 2.00 K2SO4 2.32 2.70 2.84 3.00 M9SO4 1.21 1.53 1.82 2.00 Glucose 1.00 1.00 1.00 1.00 i. Using your knowledge in colligative properties, explain the departure from the ideal behaviour and the differences observed for the i values for all compounds at different concentrations in TABLE Q1.
The colligative properties of solutions depend on the total concentration of solute particles, regardless of whether the particles are ions or molecules. TABLE Q1 describes the measured and ideal values of van't Hoff factors, i for several substances at 25 °C. TABLE Q1 Compound Measured i values Ideal i 0.100 m 0.0100 m 0.00100 m values NaCI 1.87 1.94 1.97 2.00 K2SO4 2.32 2.70 2.84 3.00 M9SO4 1.21 1.53 1.82 2.00 Glucose 1.00 1.00 1.00 1.00 i. Using your knowledge in colligative properties, explain the departure from the ideal behaviour and the differences observed for the i values for all compounds at different concentrations in TABLE Q1.
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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:The colligative properties of solutions depend on the total concentration
of solute particles, regardless of whether the particles are ions or
molecules. TABLE Q1 describes the measured and ideal values of
van't Hoff factors, i for several substances at 25 °C.
TABLE Q1
Compound
Measured i values
Ideal i
0.100 m
0.0100 m
0.00100 m
values
NaCI
1.87
1.94
1.97
2.00
K2SO4
2.32
2.70
2.84
3.00
M9SO4
1.21
1.53
1.82
2.00
Glucose
1.00
1.00
1.00
1.00
i.
Using your knowledge in colligative properties, explain the
departure from the ideal behaviour and the differences observed
for the i values for all compounds at different concentrations in
TABLE Q1.
Transcribed Image Text:ii.
Based on the data in TABLE Q1, arrange the solutions below in
the order of increasing boiling-point elevation. Explain your
answer.
0.0200 m glucose
• 0.0300 m K2SO4
0.0400 m NaCI
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