The student in the video believes he transferred exactly 10.00 mL of liquid. Explain his mistake. Answer
Liquid drained below the last calibration mark!
The student allowed the liquid to drain below the final calibration mark, delivering an unspecified volume of liquid. NEVER allow the liquid to drain below the final calibration mark when delivering a solution from a graduated pipet!
Video. Self Check video.
In the video, what volume of liquid was transferred? Answer
The initial reading was 0.16 mL, and the final
reading was 9.96 mL, so the total volume delivered is 9.80 mL.
The student in the video believes he transferred exactly 10.00 mL of liquid. Explain his mistake. 
