Written by Diane Krehbiel Abstract: In this experiment, two different methods were used to discover the acetic acid content in a sample of vinegar. The known percent of acetic acid in vinegar is 5%. The first method used was titrating with a visual indicator. The percent of acid found using this method was 5.086%. The second method was the use of pH meter to measure the change in pH. The percentage from using this method was 5.049%. The pH meter method […]