You are checking the accuracy of a volumetric flask marked 10.00 mL. ToMeasurementVolume (mL)calculate the volume of water contained in the flask, you first measure the mass110.047of the empty flask and the mass of the flask filled with water and take the10.052difference. Then, you correct for the buoyancy factor and divide by the density of310.022the water. The result of 8 such measurements is given in the table.410.047Calculate the mean and the 95% confidence interval for these measurements.510.02410.016710.065810.024mean:mL95% confidence interval: +mLCan you, with 95% confidence, say that the nominal value of 10.00 mL can be the true volume of the flask?noyes

Mean: It is the average value of all the measured values. The formula to calculate the mean is…

You are checking the accuracy of a volumetric flask marked 10.00 mL. To calculate the volume of water contained in the flask, you first measure the mass Measurement Volume (mL) 1 10.047 of the empty flask and the mass of the flask filled with water and take the 10.052 difference. Then, you correct for the buoyancy factor and divide by the density of the water. The result of 8 such measurements is given in the table. 3 10.022 4 10.047 Calculate the mean and the 95% confidence interval for these measurements. 10.024 10.016 7 10.065 10.024 mean: mL 95% confidence interval: + mL Can you, with 95% confidence, say that the nominal value of 10.00 mL can be the true volume of the flask? no O yes

You are checking the accuracy of a volumetric flask marked 10.00 mL. To calculate the volume of water contained in the flask, you first measure the mass Measurement Volume (mL) 1 10.047 of the empty flask and the mass of the flask filled with water and take the 10.052 difference. Then, you correct for the buoyancy factor and divide by the density of the water. The result of 8 such measurements is given in the table. 3 10.022 4 10.047 Calculate the mean and the 95% confidence interval for these measurements. 10.024 10.016 7 10.065 10.024 mean: mL 95% confidence interval: + mL Can you, with 95% confidence, say that the nominal value of 10.00 mL can be the true volume of the flask? no O yes

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter5: Gases

Section: Chapter Questions

Problem 5.107PAE: 107 A soft drink can’s label indicates that the volume of the soda it contains is 12 oz or 355 mL....

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