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Data Set Exp.7 Use the following data to determine the molar mass of the gas The mass of the flask filled with air 51.896g The mass of the flask filled with the gas 51.9749g The mass of the flask filled with water 157.148g The room temperature = 21C° Experiment 7: DETERMINING THE MOLAR MASS OF A GAS 1- Mass of flask filled with air 2- Mass of flask filled with gas m2 3- Mass of flask filled with water m3 = g 4- Room temperature 5 - Atmospheric pressure = 760 mmHg = 1 atm 6- Density of air under conditions of experiment refer lab manual g / cm3 7- Mass of water = m3 - mị = g 8- Density of water = 1g / cm3 9- Volume of water= mH20 / dy2o = step 7/ step 8 = cm³ 10- V.H20 = V. flask = V. •gas =V. air cm3 11- Mass of air m air = d air x Vair =step 6 x step 10 = 12- Mass of empty flask = m¡- m air = step 1 - step 11 = 13- Mass of gas = m2- m flask = step 2 - step 12 = 14- Molar mass of a gas = m .gas X R x T/ Px V 15- MM = step. 13 g x (0.0821 L .atm / K.mol) x 296 K 1atm x step. 10 x 103 L 16 - MM of the gas = g/ mol 17 - The gas is 18- The theoretical Molar Mass from periodic table = g/ mol 19-% Error = (Actual MM- Theoretical MM ) / Theoretical MM x 100 =

Data Set Exp.7 Use the following data to determine the molar mass of the gas The mass of the flask filled with air 51.896g The mass of the flask filled with the gas 51.9749g The mass of the flask filled with water 157.148g The room temperature = 21C° Experiment 7: DETERMINING THE MOLAR MASS OF A GAS 1- Mass of flask filled with air 2- Mass of flask filled with gas m2 3- Mass of flask filled with water m3 = g 4- Room temperature 5 - Atmospheric pressure = 760 mmHg = 1 atm 6- Density of air under conditions of experiment refer lab manual g / cm3 7- Mass of water = m3 - mị = g 8- Density of water = 1g / cm3 9- Volume of water= mH20 / dy2o = step 7/ step 8 = cm³ 10- V.H20 = V. flask = V. •gas =V. air cm3 11- Mass of air m air = d air x Vair =step 6 x step 10 = 12- Mass of empty flask = m¡- m air = step 1 - step 11 = 13- Mass of gas = m2- m flask = step 2 - step 12 = 14- Molar mass of a gas = m .gas X R x T/ Px V 15- MM = step. 13 g x (0.0821 L .atm / K.mol) x 296 K 1atm x step. 10 x 103 L 16 - MM of the gas = g/ mol 17 - The gas is 18- The theoretical Molar Mass from periodic table = g/ mol 19-% Error = (Actual MM- Theoretical MM ) / Theoretical MM x 100 =

Chemistry
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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Data Set Exp.7 Use the following data to determine the molar mass of the gas The mass of the flask filled with air 51.896g The mass of the flask filled with the gas 51.9749g The mass of the flask filled with water 157.148g The room temperature = 21C°
Transcribed Image Text:Data Set Exp.7 Use the following data to determine the molar mass of the gas The mass of the flask filled with air 51.896g The mass of the flask filled with the gas 51.9749g The mass of the flask filled with water 157.148g The room temperature = 21C°
Experiment 7: DETERMINING THE MOLAR MASS OF A GAS 1- Mass of flask filled with air 2- Mass of flask filled with gas m2 3- Mass of flask filled with water m3 = g 4- Room temperature 5 - Atmospheric pressure = 760 mmHg = 1 atm 6- Density of air under conditions of experiment refer lab manual g / cm3 7- Mass of water = m3 - mị = g 8- Density of water = 1g / cm3 9- Volume of water= mH20 / dy2o = step 7/ step 8 = cm³ 10- V.H20 = V. flask = V. •gas =V. air cm3 11- Mass of air m air = d air x Vair =step 6 x step 10 = 12- Mass of empty flask = m¡- m air = step 1 - step 11 = 13- Mass of gas = m2- m flask = step 2 - step 12 = 14- Molar mass of a gas = m .gas X R x T/ Px V 15- MM = step. 13 g x (0.0821 L .atm / K.mol) x 296 K 1atm x step. 10 x 103 L 16 - MM of the gas = g/ mol 17 - The gas is 18- The theoretical Molar Mass from periodic table = g/ mol 19-% Error = (Actual MM- Theoretical MM ) / Theoretical MM x 100 =
Transcribed Image Text:Experiment 7: DETERMINING THE MOLAR MASS OF A GAS 1- Mass of flask filled with air 2- Mass of flask filled with gas m2 3- Mass of flask filled with water m3 = g 4- Room temperature 5 - Atmospheric pressure = 760 mmHg = 1 atm 6- Density of air under conditions of experiment refer lab manual g / cm3 7- Mass of water = m3 - mị = g 8- Density of water = 1g / cm3 9- Volume of water= mH20 / dy2o = step 7/ step 8 = cm³ 10- V.H20 = V. flask = V. •gas =V. air cm3 11- Mass of air m air = d air x Vair =step 6 x step 10 = 12- Mass of empty flask = m¡- m air = step 1 - step 11 = 13- Mass of gas = m2- m flask = step 2 - step 12 = 14- Molar mass of a gas = m .gas X R x T/ Px V 15- MM = step. 13 g x (0.0821 L .atm / K.mol) x 296 K 1atm x step. 10 x 103 L 16 - MM of the gas = g/ mol 17 - The gas is 18- The theoretical Molar Mass from periodic table = g/ mol 19-% Error = (Actual MM- Theoretical MM ) / Theoretical MM x 100 =
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