Analysis of Vinegar Student: Araik Movessian Grade: 12 Course: SCH4U Teacher: Tijana Knezovic Purpose and Introduction: In this experiment the question of “what is the molar concentration of acetic acid in a sample of vinegar? ” was answered via titration using a standard solution of sodium hydroxide, NaOH(aq). In this investigation, students are to act as quality control chemists. Their purpose is to test the acetic acid concentration of the vinegar to discover whether it has been diluted. In this theoretical report, the manufacturer claims on the label that the vinegar contains 5% (0. 87 mol/L) acetic acid.