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Sample Problem 5.9 Finding the Molar Mass of a Volatile Liquid PROBLEM: An organic chemist isolates a colorless liquid from a petroleum sample. She places the liquid in a preweighed flask and puts the flask in boiling water, causing the liquid to vaporize and fill the flask with gas. She closes the flask and reweighs it. She obtains the following data: T= 100.0°C P= 754 torr Volume (V) of flask mass of flask + gas = 78.416 g = 213 mL mass of flask = 77.834 g %3D Calculate the molar mass of the liquid.

Sample Problem 5.9 Finding the Molar Mass of a Volatile Liquid PROBLEM: An organic chemist isolates a colorless liquid from a petroleum sample. She places the liquid in a preweighed flask and puts the flask in boiling water, causing the liquid to vaporize and fill the flask with gas. She closes the flask and reweighs it. She obtains the following data: T= 100.0°C P= 754 torr Volume (V) of flask mass of flask + gas = 78.416 g = 213 mL mass of flask = 77.834 g %3D Calculate the molar mass of the liquid.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Sample Problem 5.9 Finding the Molar Mass of a Volatile Liquid PROBLEM: An organic chemist isolates a colorless liquid from a petroleum sample. She places the liquid in a preweighed flask and puts the flask in boiling water, causing the liquid to vaporize and fill the flask with gas. She closes the flask and reweighs it. She obtains the following data: Volume (V) of flask mass of flask + gas = 78.416 g 213 mL T= 100.0°C P= 754 torr %D mass of flask = 77.834 g Calculate the molar mass of the liquid.
Transcribed Image Text:Sample Problem 5.9 Finding the Molar Mass of a Volatile Liquid PROBLEM: An organic chemist isolates a colorless liquid from a petroleum sample. She places the liquid in a preweighed flask and puts the flask in boiling water, causing the liquid to vaporize and fill the flask with gas. She closes the flask and reweighs it. She obtains the following data: Volume (V) of flask mass of flask + gas = 78.416 g 213 mL T= 100.0°C P= 754 torr %D mass of flask = 77.834 g Calculate the molar mass of the liquid.
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