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The Determination of Acid Content in Vinegar
www.kbcc.cuny.eduTo determine the amount of acetic acid in vinegar (typically 4-5% by mass) we will use an acid-base titration (neutralization reaction). In this experiment we titrate acetic acid with sodium hydroxide (a strong base). The reaction of acetic acid with sodium hydroxide is shown below: Equation 3. HC 2 H 3 O 2 (aq) + NaOH (aq) NaC 2 H 3 O 2 (aq) + H 2
EXPERIMENT 1 ACID BASE TITRATION - UM
kimia.um.edu.my3.1.4 Standardization of acetic acid solution (i) Pipette 10 mL of acetic acid into a 250 mL conical flask and add 2 drops of phenolphthalein indicator. (ii) Titrate with sodium hydroxide solution that has been previously standardized. (iii) Repeat the titration; this time the sodium hydroxide is quickly added until it