7.3211 gFig 2. Student is taring the vialMistake:Correct way: A student is supposed to weigh a vial by difference using an analytical balance. Their process isshown in the two figures below. Give one mistake EACH and what should be done.0.0001 gFig 1. Student is loading the vial into the analytical balanceMistake:Correct way:

Difference of weight should be done on analytical balance to know the weight of sample in the…

Answered: 7.3211 g Fig 2. Student is taring the…

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7.3211 g Fig 2. Student is taring the vial Mistake: Correct way:

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

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

Problem 2RCYU: A student checked the accuracy of two standard top-loading balances by testing them with a standard...

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7.3211 g
Fig 2. Student is taring the vial
Mistake:
Correct way:

A student is supposed to weigh a vial by difference using an analytical balance. Their process is
shown in the two figures below. Give one mistake EACH and what should be done.
0.0001 g
Fig 1. Student is loading the vial into the analytical balance
Mistake:
Correct way:

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One student calibrated a 50-mL burette by using the mass of water delivered. The student used an analytical balance which was previously calibratedby STEEL (density = 7.8 g/mL). During calibration, the temperature of water was found to be 19.0oC. The density of water at this temperature is0.9984 g/mL. The results of the calibration by the student is shown in the table below: Apparent burette reading, mL A-10.05 ml, B- 20.04ml, C- 30.08ml, D- 40.07 ml, E- 49.98ml Weight H2O delivered, g A -10.03g, B- 20.09g, C- 30.05g, D- 40.02g, E- 49.83g
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