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07-11-2022
Chemistry

Answered

12) A solution of acetic acid, HC2H3O2, on a laboratory shelf was of undetermined concentration. If the pH of the solution was found to be 2.68, what was the concentration of the acetic acid? (Ka = 1.7 x 10-5)
HC2H3O2 (aq) + H2O(l)  C2H3O2-(aq) + H3O+(aq)

Answer :

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