An empty flask weighs 130.084 g. After vaporization of a sample of volatile liquid at a temperature of 100.0 °C, the flask was sealed, cooled to room temperature, and found to have a mass of 130.316 g. The atmospheric pressure was 759.7 mm Hg. The flask was rinsed and completely filled with water at 18.0 °C. The mass of the water-filled flask was determined to be 379.551 g. What is the pressure of the gas that fills the flask in atmospheres? (Enter your answer as a number without units.)

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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An empty flask weighs 130.084 g. After vaporization of a
sample of volatile liquid at a temperature of 100.0 °C, the flask
was sealed, cooled to room temperature, and found to have a
mass of 130.316 g. The atmospheric pressure was 759.7 mm
Hg. The flask was rinsed and completely filled with water at
18.0 °C. The mass of the water-filled flask was determined to
be 379.551 g. What is the pressure of the gas that fills the
flask in atmospheres? (Enter your answer as a number without
units.)
Transcribed Image Text:An empty flask weighs 130.084 g. After vaporization of a sample of volatile liquid at a temperature of 100.0 °C, the flask was sealed, cooled to room temperature, and found to have a mass of 130.316 g. The atmospheric pressure was 759.7 mm Hg. The flask was rinsed and completely filled with water at 18.0 °C. The mass of the water-filled flask was determined to be 379.551 g. What is the pressure of the gas that fills the flask in atmospheres? (Enter your answer as a number without units.)
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