Answer to Question #145744 in General Chemistry for Lara Nofsinger

Question

Is it necessary for the Erlenmeyer flask to be dry before pipetting the 25 ml sample of vinegar in it

Answer 1

Yes

The vinegar used in titrationhas an acetic acid concentration that would require a large volume of sodium hydroxide for the titration. The vinegar is thus diluted with water before performing the titration. The diluted vinegar is then used to perform the titrations.