As you increase elevation the atmospheric pressure decreases, which means the boiling point of water also decreases. In Denver, the Mile High City, the boiling point of water is 95.0°C. a. How many grams of your assigned salt (using the van't Hoff factor you calculated in lab) would need to be added to 1.0 gallon (3.8 kg) of water to raise the temperature to 100.0°C, the boiling point of water at sea level.
As you increase elevation the atmospheric pressure decreases, which means the boiling point of water also decreases. In Denver, the Mile High City, the boiling point of water is 95.0°C. a. How many grams of your assigned salt (using the van't Hoff factor you calculated in lab) would need to be added to 1.0 gallon (3.8 kg) of water to raise the temperature to 100.0°C, the boiling point of water at sea level.
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 129CP: In some regions of the southwest United States, the water is very hard. For example, in Las Cruces,...
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van Hoff factor for trial 1 is 1.79 and trial 2 is 1.99
assigned salt is KCl
Transcribed Image Text:. As you
increase elevation the atmospheric pressure decreases, which means the boiling
point of water also decreases. In Denver, the Mile High City, the boiling point of water is
95.0°C.
a. How many grams of your assigned salt (using the van't Hoff factor you calculated
in lab) would need to be added to 1.0 gallon (3.8 kg) of water to raise the
temperature to 100.0°C, the boiling point of water at sea level.
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b. In the USA, a volume (cup) is used more commonly in cooking than a weight
(grams). Convert the grams of salt you calculated into cups (1 cup = 273 g).
~0.0037 CUP
1.5239
= 0·0056 cup
3.9 1.olly
1.011
зд
g
2739
2739
181
PP N
c. Ignoring the potential toxicity of your assigned salt, is the amount of salt needed to
increase the boiling point of the water 5°C reasonable? Justify your answer.
Ativ
bat GomestTO
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