A 0.010 mol/dm3 aqueous solution of an acid HA has a pH of 2.0. Is HA a strong or a weak acid? Explain your answer.
Strong Or Weak Acid?
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Strong acid, the stregth of an acid is not determined by its concentration but its pH
Assume 100% dissociation,
pH=-lg{0.01}
=2 =pH of HA
This implies that HA undergoes complete dissociation and is therefore an strong acid.