3. A student is using a 10 mL volumetric pipet to dispense water and wants to test how accurate the volume is by weighing the water dispensed from the pipet. First, they measure the mass of a beaker to be 30.045 ± 0.005 g. They then collect 10 mL of water into the volumetric pipet and dispense the water into the beaker. The mass of the beaker plus the water is 40.081 ± 0.005 g. Calculate the mass of the water added to the beaker and use propagation of error to calculate the uncertainty of the mass. Report the mass of the water with the uncertainty with appropriate significant figures.
3. A student is using a 10 mL volumetric pipet to dispense water and wants to test how accurate the volume is by weighing the water dispensed from the pipet. First, they measure the mass of a beaker to be 30.045 ± 0.005 g. They then collect 10 mL of water into the volumetric pipet and dispense the water into the beaker. The mass of the beaker plus the water is 40.081 ± 0.005 g. Calculate the mass of the water added to the beaker and use propagation of error to calculate the uncertainty of the mass. Report the mass of the water with the uncertainty with appropriate significant figures.
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter1: Chemistry And Measurement
Section: Chapter Questions
Problem 1.172QP: A sample of a bright blue mineral was weighed in air, then weighed again while suspended in water....
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