Assuming 100% dissociation, calculate the freezing point and the boiling point of 0.570 mol K3PO4 in 1.00 kg water. You may need the colligative constants for water. Constants for freezing-point depression and boiling-point elevation calculations at 1 atm:SolventwaterColligative ConstanFormulaethanolcarbontetrachloridecamphorH₂Obenzene C6H6cyclohexane C 6 H 12C ₂ H 60CC1 4C 10 H 16 O 37.8Kf value* Normal freezing Kvalue Normal boiling(°C/ m)point (°C)(°C/ m)point (°C)1.860.5125.122.5320.82.921.991.220.006.59-117.3-22.91765.03100.0080.180.778.476.8

Given data Moles of K3PO4 = 0.570 M mol Mass of the solvent = 1.00 Kg the freezing point and the…

Answered: Assuming 100% dissociation, calculate…

Assuming 100% dissociation, calculate the freezing point and the boiling point of 0.570 mol K3PO4 in 1.00 kg water. You may need the colligative constants for water.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter13: The Chemistry Of Solutes And Solutions

Section13.7: Colligative Properties Of Solutions

Problem 13.15E

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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.

Question

Assuming 100% dissociation, calculate the freezing point and the boiling point of 0.570 mol K3PO4 in 1.00 kg water. You may need the colligative constants for water.

Constants for freezing-point depression and boiling-point elevation calculations at 1 atm:
Solvent
water
Colligative Constan
Formula
ethanol
carbon
tetrachloride
camphor
H₂O
benzene C6H6
cyclohexane C 6 H 12
C ₂ H 60
CC1 4
C 10 H 16 O 37.8
Kf value* Normal freezing Kvalue Normal boiling
(°C/ m)
point (°C)
(°C/ m)
point (°C)
1.86
0.512
5.12
2.53
20.8
2.92
1.99
1.22
0.00
6.59
-117.3
-22.9
176
5.03
100.00
80.1
80.7
78.4
76.8

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