This preview shows page 1. Sign up to view the full content.
Unformatted text preview: Slowly add NaOH while swirling the flas HCl must be added with the swirling to return to pale pink color Crefully read and record volume of the buret on the data sheet Repeat titration two or more times Part B: • Obtain 75 mL of an unknown acetic acid sample • Prepare the acetic acid analyte solution in in a 250ml flask by adding 25 mL of distilled water, 15 mL of unknown, and 5 drops of phenolphthalein • Titrate the solution as described in part A • Jot down volumes • Repaeat titration until three consistent acetic acid concentrations are obtained...
View Full Document
This note was uploaded on 03/15/2009 for the course CHEM 331 taught by Professor Kramer during the Spring '08 term at University of Delaware.
- Spring '08