canvas.uoregon.edu Quiz: RAQ 5 Tegrity 5.84x 106 M O5.84 x 103 M O 1.75 x 10s M

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canvas.uoregon.edu Quiz: RAQ 5 Tegrity 5.84x 106 M O5.84 x 103 M O 1.75 x 10s M 9.63 x 106M 1.83 x 10-5 M Question 3 5 pts You will be using pipets marked "TD in lab this week. When using a 10.00 mL pipet, you notice a small amount of liquid remaining in the tip after draining. Should yod force this liquid out of the pipet when transferring solutions? O A No, because the pipet is calibrated to deliver 10.00 mL without including this volume. B. No, because you could introduce contamination by forcing the remaining liquid out of the pipet ° C. Yes, because to obtain exactly 1000 mL you need to include this volume. D. Yes, because not including this liquid introduces systematic error to the experiment. E. Both A and B are correct F. Both C and D are correct. Question 4 5 pts

Explanation / Answer

Question3

Answer

E) Both A and B are correct

Explanation

TD full form is To Deliver

Pipettes which are marked as TD are calibrated to deliver the desired amount without cosidering the remaining drop in the pipette.So, no need for force to deliver the remaining drop of liquid.

Some pipettes are marked as TC and full form of TC is To Contain.It is necessary to force the remaining drop to delive while using TC pipette.

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