oulet Reading, final (mL) Vol 3. ume of NaOH used (mL) 4. Molar concentration of

Question

oulet Reading, final (mL) Vol 3. ume of NaOH used (mL) 4. Molar concentration of NaoH 0.0940 solution (molL) 5. Moles of NaoH added omon Part B. 7 Show calculation. 6. Moles of CH,CooH in vinegar (mol) Show calculation. 7. Mass of CH,COOH in vinegar (g) Show calculation. Part B.8 8. Percent by mass of CH,COOH in vinegar Show calculation 5. b. For Trials 2 and 3, the percent CHIcooH in vinegar was 5.01% and 4.66% respectively. a. What is the average percent of CH,C in the vinegar sample? Data Analysis, B. b. What are the standard deviation and the relative standard deviation (%RSD) for the percent of vinegar sample? Data Analysis, Cand D.

Explanation / Answer

Average % of acetic acid in venigar sample is = 5.01 + 4.66    = 4.835%

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