Posted by Mike on .
The pH of a certain acid having a concentration of 0.20M was measured. The pH was 2.50.
Was this a strong acid or weak acid?
chemistry 12 -
If the acid were a strong acid, the pH would be pH = -log(H^+) = -log(0.2) = about 0.7 and it is 2.50; therefore, it must be a weak acid.