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1. A student determines the molar mass of acetone, CH.COHS, by the method used in this experiment. She found that the equilibrum temperature of a mixture of ice and water was 0.5°C on her thermometer. When she added 10.5 g if her sample to the mixture, the temperature, fell to -2.6°C. She then poured off the solution through a screen into a beaker. The mass of the solution was 86.4g. b. What was the molality of the acetone? m

1. A student determines the molar mass of acetone, CH.COHS, by the method used in this experiment. She found that the equilibrum temperature of a mixture of ice and water was 0.5°C on her thermometer. When she added 10.5 g if her sample to the mixture, the temperature, fell to -2.6°C. She then poured off the solution through a screen into a beaker. The mass of the solution was 86.4g. b. What was the molality of the acetone? m

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.110QP: A 29.1-mL sample of 1.05 M KOH is mixed with 20.9 mL of 1.07 M HBr in a coffee-cup calorimeter (see...
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1. A student determines the molar mass of acetone, CH.COHS, by the method used in this experiment. She found that the equilibrum temperature of a mixture of ice and water was 0.5°C on her thermometer. When she added 10.5 g if her sample to the mixture, the temperature, fell to -2.6°C. She then poured off the solution through a screen into a beaker. The mass of the solution was 86.4g. b. What was the molality of the acetone? m
Transcribed Image Text:1. A student determines the molar mass of acetone, CH.COHS, by the method used in this experiment. She found that the equilibrum temperature of a mixture of ice and water was 0.5°C on her thermometer. When she added 10.5 g if her sample to the mixture, the temperature, fell to -2.6°C. She then poured off the solution through a screen into a beaker. The mass of the solution was 86.4g. b. What was the molality of the acetone? m
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