Would the following procedural errors result in an incorrectly high or low calculated percent NaOCl in the commercial bleaching solution? Briefly explain. a) A student failed to allow the volumetric pipet to drain completely when transferring commercial bleaching solution to the volumetric flask. b) A student blew the last drops of bleaching solution from the pipet into the Erlenmeyer flask when transferring diluted bleaching solution to the flask. c) A student began a titration with an air bubble in the buret tip. The bubble remained in the buret tip during the first titration, but it came out of the tip with the titrant released during the second titration. d) A student added diluted bleaching solution and HCI solution to aqueous KI solution in Erlenmeyer flasks 1 and 2 before beginning the titration in Erlenmeyer flask 1.
Would the following procedural errors result in an incorrectly high or low calculated percent NaOCl in the commercial bleaching solution? Briefly explain. a) A student failed to allow the volumetric pipet to drain completely when transferring commercial bleaching solution to the volumetric flask. b) A student blew the last drops of bleaching solution from the pipet into the Erlenmeyer flask when transferring diluted bleaching solution to the flask. c) A student began a titration with an air bubble in the buret tip. The bubble remained in the buret tip during the first titration, but it came out of the tip with the titrant released during the second titration. d) A student added diluted bleaching solution and HCI solution to aqueous KI solution in Erlenmeyer flasks 1 and 2 before beginning the titration in Erlenmeyer flask 1.
Chapter8: Sampling, Standardization, And Calibration
Section: Chapter Questions
Problem 8.14QAP
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