Analyze: The data table shows how different solutes affect the boiling point of water. Fill in the column for how many particles of solute there are for each one. SoluteNumber of particlesConcentration(mol/kg)Boiling point(oC)Freezing point(oC)Aluminum chloride41102.05-7.442104.10-14.88Potassium chloride21102.02-3.672102.05-7.44Calcium chloride31101.54-5.502103.07-11.16Sodium chloride21102.02-3.672102.05-7.44Think and discuss: Colligative properties depend only on the number of particles, not the identity of the solute. What evidence could you use to demonstrate this point? 2. Summarize: What do all the colligative properties you have studied have in common? Antifreeze is added to car radiators to prevent the water in the radiators from both freezing and boiling.a. Would you expect antifreeze to raise or lower the freezing point? Explain why. b. Would you expect the same temperature change (raise or lowered) to happen at the boiling point? c. In general terms what is causing the temperature change? Student Exploration: Colligative Properties SummativeRemember you need to log in through LCPSgo to have full access to the Gizmo.Directions: Follow the instructions to go through the simulation. Respond to the questions andprompts in the orange boxes.Analyze: The data table shows how different solutes affect the boiling point of water. Fill in the column for howmany particles of solute there are for each one.Concentration| Boiling point(°C)Freezing point(°C)Number ofSoluteparticles(mol/kg)1102.05-7.44Aluminum chloride2104.10-14.881102.02-3.67Potassium chloride102.05-7.441101.54-5.50Calcium chloride103.07-11.161102.02-3.67Sodium chloride2102.05-7.441. Think and discuss: Colligative properties depend only on the number of particles, not the identity of thesolute. What evidence could you use to demonstrate this point?8. Summarize: What do all the colligative properties you have studied have in common?2. Antifreeze is added to car radiators to prevent the water in the radiators from both freezing and boiling.a. Would you expect antifreeze to raise or lower the freezing point? Explain why.b. Would you expect the same temperature change (raise or lowered) to happen at the boiling point?c. In general terms what is causing the temperature change?

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Answered: Think and discuss: Colligative…

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter10: Properties Of Solutions

Section: Chapter Questions

Problem 7RQ

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Question

Analyze: The data table shows how different solutes affect the boiling point of water. Fill in the column for how many particles of solute there are for each one.

Solute	Number of particles	Concentration (mol/kg)	Boiling point (oC)	Freezing point (oC)
Aluminum chloride	4	1	102.05	-7.44
2	104.10	-14.88
Potassium chloride	2	1	102.02	-3.67
2	102.05	-7.44
Calcium chloride	3	1	101.54	-5.50
2	103.07	-11.16
Sodium chloride	2	1	102.02	-3.67
2	102.05	-7.44

Think and discuss: Colligative properties depend only on the number of particles, not the identity of the solute. What evidence could you use to demonstrate this point?

2. Summarize: What do all the colligative properties you have studied have in common?

Antifreeze is added to car radiators to prevent the water in the radiators from both freezing and boiling.

a. Would you expect antifreeze to raise or lower the freezing point? Explain why.

b. Would you expect the same temperature change (raise or lowered) to happen at the boiling point?

c. In general terms what is causing the temperature change?

Student Exploration: Colligative Properties Summative
Remember you need to log in through LCPSgo to have full access to the Gizmo.
Directions: Follow the instructions to go through the simulation. Respond to the questions and
prompts in the orange boxes.
Analyze: The data table shows how different solutes affect the boiling point of water. Fill in the column for how
many particles of solute there are for each one.
Concentration| Boiling point
(°C)
Freezing point
(°C)
Number of
Solute
particles
(mol/kg)
1
102.05
-7.44
Aluminum chloride
2
104.10
-14.88
1
102.02
-3.67
Potassium chloride
102.05
-7.44
1
101.54
-5.50
Calcium chloride
103.07
-11.16
1
102.02
-3.67
Sodium chloride
2
102.05
-7.44
1. Think and discuss: Colligative properties depend only on the number of particles, not the identity of the
solute. What evidence could you use to demonstrate this point?
8. Summarize: What do all the colligative properties you have studied have in common?
2. Antifreeze is added to car radiators to prevent the water in the radiators from both freezing and boiling.
a. Would you expect antifreeze to raise or lower the freezing point? Explain why.
b. Would you expect the same temperature change (raise or lowered) to happen at the boiling point?
c. In general terms what is causing the temperature change?

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