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Follow proper technique when using a pipet: False O 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 O Never pipet from the reagent bottle. Pour some of the liquid you want to dispense into a small beaker. True O 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. True O 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. True O Place the tip of the pipet in the solution which is to be drawn up. O A volumetric pipet should be "blown out" to eject all liquid at the tip O Never use your mouth to pull the liquid into a pipet. Mouth pipetting is forbidden in the True True chemistry laboratory. O It is OK to pipet from the reagent bottle. O A volumetric pipet should not be "blown out" to eject all liquid at the tip. Volumetric pipets are False True calibrated in a manner that takes into account the solution which remains at the tip. True O When the bottom of the meniscus coincides with the calibration mark, your pipet contains a precisely measured volume. Submit Answer You have entered that answer before Incorrect. Tries 15/99 Previous Tries

Follow proper technique when using a pipet: False O 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 O Never pipet from the reagent bottle. Pour some of the liquid you want to dispense into a small beaker. True O 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. True O 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. True O Place the tip of the pipet in the solution which is to be drawn up. O A volumetric pipet should be "blown out" to eject all liquid at the tip O Never use your mouth to pull the liquid into a pipet. Mouth pipetting is forbidden in the True True chemistry laboratory. O It is OK to pipet from the reagent bottle. O A volumetric pipet should not be "blown out" to eject all liquid at the tip. Volumetric pipets are False True calibrated in a manner that takes into account the solution which remains at the tip. True O When the bottom of the meniscus coincides with the calibration mark, your pipet contains a precisely measured volume. Submit Answer You have entered that answer before Incorrect. Tries 15/99 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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Follow proper technique when using a pipet: False e 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 Never pipet from the reagent bottle. Pour some of the liquid you want to dispense into a small beaker. True 8 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. True 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. True Place the tip of the pipet in the solution which is to be drawn up. O A volumetric pipet should be "blown out" to eject all liquid at the tip True True O Never use your mouth to pull the liquid into a pipet. Mouth pipetting is forbidden in the chemistry laboratory. False O It is OK to pipet from the reagent bottle. True 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 O When the bottom of the meniscus coincides with the calibration mark, your pipet contains a precisely measured volume. Submit Answer You have entered that answer before Incorrect. Tries 15/99 Previous Tries
Transcribed Image Text:Follow proper technique when using a pipet: False e 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 Never pipet from the reagent bottle. Pour some of the liquid you want to dispense into a small beaker. True 8 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. True 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. True Place the tip of the pipet in the solution which is to be drawn up. O A volumetric pipet should be "blown out" to eject all liquid at the tip True True O Never use your mouth to pull the liquid into a pipet. Mouth pipetting is forbidden in the chemistry laboratory. False O It is OK to pipet from the reagent bottle. True 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 O When the bottom of the meniscus coincides with the calibration mark, your pipet contains a precisely measured volume. Submit Answer You have entered that answer before Incorrect. Tries 15/99 Previous Tries
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