Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Transcribed Image Text:Choose the aqueous solution that has the highest boiling point. Assume ideal van't Hoff factors.
0.0650 m Li2S04
0.510 m C3H8O3
O 0.0500 m Na3PO4
0.100 m NaNO3
Expert Solution
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Step 1
Boiling point elevation:
The formula used here is,
∆Tb = i × Kb × m
Tb(solution) - Tb°(water) = i × Kb × m
Where,
Tb°(water) = boiling point of pure water
Tb(solution) = freezing point of solution
i = van't Hoff factor
Kb = boiling point elevation constant
m = molality of solution
Note:
Boiling point of pure water (Tb°(water)) = 100 °C
Boiling point elevation constant (Kb)water = 0.52 °C/m
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