Mass of the empty Erlenmeyer flask + rubber band + foil - 260.00 g R= 0.0821 L.atm/mol.°K Trial Trial 2 Pressure I atm I atm Temperature (C) 99.10 C 9899C Temperature K) Mass of flask + vapor+ rubber band + foil 260, 702g 260 Mass of vapor (grams) Volume of Flask 464.479 ml 464.50 ml Calculated number of moles (n) Molar Mass (g'mol) Average Melar Mass gmol) 2 According to the average molar mass your calculated, which one of the following liquids is possibly your unknown sample (show the calculations for how you selected your answer). (3 points) a. Water HO b. Acetone CHO c. Cyclohexane CH d. Ethanol CH,OH 3. The molar mass value you calculated is only approximately the true molar mass of the unknown sample (the two values are not identical). Suggest one possible source of experimental error that may have resulted in the deviation of your calculated value from
Mass of the empty Erlenmeyer flask + rubber band + foil - 260.00 g R= 0.0821 L.atm/mol.°K Trial Trial 2 Pressure I atm I atm Temperature (C) 99.10 C 9899C Temperature K) Mass of flask + vapor+ rubber band + foil 260, 702g 260 Mass of vapor (grams) Volume of Flask 464.479 ml 464.50 ml Calculated number of moles (n) Molar Mass (g'mol) Average Melar Mass gmol) 2 According to the average molar mass your calculated, which one of the following liquids is possibly your unknown sample (show the calculations for how you selected your answer). (3 points) a. Water HO b. Acetone CHO c. Cyclohexane CH d. Ethanol CH,OH 3. The molar mass value you calculated is only approximately the true molar mass of the unknown sample (the two values are not identical). Suggest one possible source of experimental error that may have resulted in the deviation of your calculated value from
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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