Saturday
April 19, 2014

Homework Help: Chemistry

Posted by Bob on Sunday, April 10, 2011 at 2:24pm.

40.0 ml of an acetic acid of unknown concentration is titrated with 0.100 M NaOH. After 20.0 mL of the base solution has been added, the pH in the titration flask is 5.10. What was the concentration of the original acetic acid solution? (Ka(CH3COOH) = 1.8 10−5)

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