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False A volumetric pipet should 'not be "blown out" to eject all liquid at the tip. Volumetric pipets are calibrated in a manner that takes into account the solution which remains at the tip. True Using the pipettor, you should turn the wheel on the pipette, draw up the solution until the meniscus is several centimeters above the calibration line, then quickly remove the pipette and put your thumb over the open hole of the pipet. O When the bottom of the meniscus coincides with the calibration mark, your pipet contains a precisely measured volume. True e Do not force the pipet into the pipettor, be gentle. Excessive force may cause the pipet to break and could potentially cut you while trying to insert or remove the pipet. False e Using the pipettor, you should turn the wheel on the pipettor, draw up the solution until the meniscus is several centimeters above the calibration line, then quickly remove the pipettor and put your forefinger over the open hole of the pipet. True 8 Do not allow the solution to be drawn up into the pipettor. This will result in chemicals getting into the top of the pipet where you must put your finger. False e It is safe to mouth pipet. True O Never use your mouth to pull the liquid into a pipet. Mouth pipetting is forbidden in the chemistry laboratory. 8 A volumetric pipet should be "blown out" to eject all liquid at the tip True e Gently insert the clean glass pipet in the pipettor. True Submit Answer Incorrect. Tries 18/99 Previous Tries

False A volumetric pipet should 'not be "blown out" to eject all liquid at the tip. Volumetric pipets are calibrated in a manner that takes into account the solution which remains at the tip. True Using the pipettor, you should turn the wheel on the pipette, draw up the solution until the meniscus is several centimeters above the calibration line, then quickly remove the pipette and put your thumb over the open hole of the pipet. O When the bottom of the meniscus coincides with the calibration mark, your pipet contains a precisely measured volume. True e Do not force the pipet into the pipettor, be gentle. Excessive force may cause the pipet to break and could potentially cut you while trying to insert or remove the pipet. False e Using the pipettor, you should turn the wheel on the pipettor, draw up the solution until the meniscus is several centimeters above the calibration line, then quickly remove the pipettor and put your forefinger over the open hole of the pipet. True 8 Do not allow the solution to be drawn up into the pipettor. This will result in chemicals getting into the top of the pipet where you must put your finger. False e It is safe to mouth pipet. True O Never use your mouth to pull the liquid into a pipet. Mouth pipetting is forbidden in the chemistry laboratory. 8 A volumetric pipet should be "blown out" to eject all liquid at the tip True e Gently insert the clean glass pipet in the pipettor. True Submit Answer Incorrect. Tries 18/99 Previous Tries

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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1 match Begins with : Q Gently insert the c Done Messages Courses Help Spring 2022 CHEM 106 Mengting Wu ▼ (Student - section: C54) Logou Main Menu Contents Grades Groups Course Timer Notes Evaluate Feedback Print Inf Follow proper technique when using a pipet: False A volumetric pipet should 'not be "blown out" to eject all liquid at the tip. Volumetric pipets are calibrated in a manner that takes into account the solution which remains at the tip. True Using the pipettor, you should turn the wheel on the pipette, draw up the solution until the meniscus is several centimeters above the calibration line, then quickly remove the pipette and put your thumb over the open hole of the pipet. True When the bottom of the meniscus coincides with the calibration mark, your pipet contains a precisely measured volume. True e Do not force the pipet into the pipettor, be gentle. Excessive force may cause the pipet to break and could potentially cut you while trying to insert or remove the pipet. False e Using the pipettor, you should turn the wheel on the pipettor, draw up the solution until the meniscus is several centimeters above the calibration line, then quickly remove the pipettor and put your forefinger over the open hole of the pipet. True e Do not allow the solution to be drawn up into the pipettor. This will result in chemicals getting into the top of the pipet where you must put your finger. False e It is safe to mouth pipet. True e Never use your mouth to pull the liquid into a pipet. Mouth pipetting is forbidden in the chemistry laboratory. True 8 A volumetric pipet should be "blown out" to eject all liquid at the tip True 8 Gently insert the clean glass pipet in the pipettor. Submit Answer Incorrect. Tries 18/99 Previous Tries This discussion is closed. Send Feedback 1,773 FEB 14
Transcribed Image Text:1 match Begins with : Q Gently insert the c Done Messages Courses Help Spring 2022 CHEM 106 Mengting Wu ▼ (Student - section: C54) Logou Main Menu Contents Grades Groups Course Timer Notes Evaluate Feedback Print Inf Follow proper technique when using a pipet: False A volumetric pipet should 'not be "blown out" to eject all liquid at the tip. Volumetric pipets are calibrated in a manner that takes into account the solution which remains at the tip. True Using the pipettor, you should turn the wheel on the pipette, draw up the solution until the meniscus is several centimeters above the calibration line, then quickly remove the pipette and put your thumb over the open hole of the pipet. True When the bottom of the meniscus coincides with the calibration mark, your pipet contains a precisely measured volume. True e Do not force the pipet into the pipettor, be gentle. Excessive force may cause the pipet to break and could potentially cut you while trying to insert or remove the pipet. False e Using the pipettor, you should turn the wheel on the pipettor, draw up the solution until the meniscus is several centimeters above the calibration line, then quickly remove the pipettor and put your forefinger over the open hole of the pipet. True e Do not allow the solution to be drawn up into the pipettor. This will result in chemicals getting into the top of the pipet where you must put your finger. False e It is safe to mouth pipet. True e Never use your mouth to pull the liquid into a pipet. Mouth pipetting is forbidden in the chemistry laboratory. True 8 A volumetric pipet should be "blown out" to eject all liquid at the tip True 8 Gently insert the clean glass pipet in the pipettor. Submit Answer Incorrect. Tries 18/99 Previous Tries This discussion is closed. Send Feedback 1,773 FEB 14
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