les with the NaOH titrant to the same each of the vinegar samples 4. Explain why it is quantitatively nor acceptable to titratie dark pink endpoint. percent acetic acid present. The data for Trial I is listed in the table below percent. (See Report Sheet) Record calculated values with the correct number of S. a Acommercial vinegar is analyzed for the percent acetic acid presen. Complete the table to determine the significant figures A. Preparation of Vinegar Sample 1. Mass of vinegar (g) 3.06Part B.5 B. Analysis of Vinegar Sample 1. Buret reading, initial (mL) 2. Buret reading,final (mL) 3. Volume of NaOH used (mL.) 4. Molar concentration of NaOH 25.40 Part B.6 solution (moUL) 00940- 5. Moles of NaOH added (mol) 6. Moles of CH,COOH in vinegar (mol) 7. Mass of CH,COOH in vinegar (g) 8. Percent by mass of CH,COOH Show calculation Part B.7 Show caleulation Show calculation. Part B.8 in vinegar (%) Show calculation. , b. For Trials 2 and 3, the percent CH,COOH in vinegar was 5.01% and 4.66% respectively. a. What is the average percent of CH,COOH in the vinegar sample? Data Analysis, B. What are the standard deviation and the relative standard deviation (%RSD) for the percent of CH3COOH in the vinegar sample? Data Analysis, C and D. b.