In lab, you determine that the mass of a Florence flask and a piece of aluminum foil weig 39.852 g. After performing the experiment on an unknown, you find that the flask, foil, and condensed vapors weigh 40.451 g. The flask was removed at 98.3°C when all the liquid was vaporized. At the end of the experiment you place the Florence flask and foil the balance, fill the flask with water at 20.2° C, and find a mass of 164.981 g. If the curre barometric pressure is 757 torr, what is the molar mass of your unknown? Note: If you set up this math in Excel you can just plug in your experimental values during lab and speed up the data analysis. Report your answer to one place after the decimal.
In lab, you determine that the mass of a Florence flask and a piece of aluminum foil weig 39.852 g. After performing the experiment on an unknown, you find that the flask, foil, and condensed vapors weigh 40.451 g. The flask was removed at 98.3°C when all the liquid was vaporized. At the end of the experiment you place the Florence flask and foil the balance, fill the flask with water at 20.2° C, and find a mass of 164.981 g. If the curre barometric pressure is 757 torr, what is the molar mass of your unknown? Note: If you set up this math in Excel you can just plug in your experimental values during lab and speed up the data analysis. Report your answer to one place after the decimal.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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