Propagation of uncertainty. You have a stock solution certified by the manufacturer to contain 150.0±0.03 µg SO42-/mL. You would like to dilute it by a factor of 100 to obtain 1.500 µg/mL. Calculate the uncertainty in the two methods of dilution below. Use the following uncertainty values for glassware: GlasswareUncertainty(assume glassware has been calibrated and treat the values below as random error)1.00 mL volumetric pipet0.01 mL10.00 mL volumetric pipet0.02 mL100.00 mL volumetric flask0.08 mL Transfer 10.00 mL with a volumetric pipet and dilute it to 100 mL with a volumetric flask. Then take 10.00 mL of the resulting solution and dilute it a second time with a 100 mL flask. 2. Transfer 1.00 mL with a volumetric pipet and dilute it to 100 mL with a volumetric flask.

Answered: Propagation of uncertainty. You have a…

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Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter1: Basic Concepts Of Chemistry

Section: Chapter Questions

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Propagation of uncertainty. You have a stock solution certified by the manufacturer to contain 150.0±0.03 µg SO₄^2-/mL. You would like to dilute it by a factor of 100 to obtain 1.500 µg/mL. Calculate the uncertainty in the two methods of dilution below. Use the following uncertainty values for glassware:

Glassware	Uncertainty (assume glassware has been calibrated and treat the values below as random error)
1.00 mL volumetric pipet	0.01 mL
10.00 mL volumetric pipet	0.02 mL
100.00 mL volumetric flask	0.08 mL

Transfer 10.00 mL with a volumetric pipet and dilute it to 100 mL with a volumetric flask. Then take 10.00 mL of the resulting solution and dilute it a second time with a 100 mL flask.

2. Transfer 1.00 mL with a volumetric pipet and dilute it to 100 mL with a volumetric flask.

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