Trial 1 0 5 Ml Trial 2 Trial 3 Initial Buret Reading Ml Final Buret Reading Ml Net Volume Added Ml 0 4mm2 44 3ml 0 1 (56.17 KiB) Viewed 23 times
Trial 1 0 5 Ml Trial 2 Trial 3 Initial Buret Reading Ml Final Buret Reading Ml Net Volume Added Ml 0 4mm2 44 3ml 0 2 (25.12 KiB) Viewed 23 times
Trial 1 0.5 ML Trial 2 Trial 3 Initial Buret Reading (mL) Final Buret Reading (mL) Net volume added (ml) 0.4mm2 44.3mL 0.8 ML 23.6mL 43.8ml 43.7mL 43.2m 42.9mL Here is the video that shows the setup and data collection: 75palM nFweR molanty of Noot solution = 0.4936M NJOH Buret No bubes First rinse Out Buret w/ NaOH (3 times) 25mls of vinegar into Then fill buret completely to in tip of level of Naut a little Buret above "D" 134.3479 Erlynmenger Flash phen rez (25 mi je sdoppe + (57.428 mis vinesat)
Part 4: Post-Lab Questions 7. In order to be sold as vinegar, the concentration of acetic acid must be at least 5%. How close was this sample of vinegar to having the required concentration? 8. Why was it important to rinse the buret with sodium hydroxide solution (and not just water)? 9. Why was it important to get out any air bubbles in the pipet tip before titrating? 10. What was the name of the indicator used, and how did you know when this titration was complete?
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