Provide an example of a strong and weak acid titration.

A strong acid titration example is hydrochloric acid (HCl) with sodium hydroxide (NaOH). A weak acid titration example is acetic acid (CH3COOH) with sodium hydroxide (NaOH).

In a strong acid titration, the acid is completely dissociated in water, meaning it releases all its hydrogen ions (H+). The titration involves adding a strong base, such as NaOH, to the acid until the solution reaches neutral pH. The endpoint is reached when the moles of acid and base are equal, and the solution becomes neutral. The equation for the reaction is HCl + NaOH → NaCl + H2O.

In a weak acid titration, the acid is only partially dissociated in water, meaning it releases only some of its hydrogen ions (H+). The titration involves adding a strong base, such as NaOH, to the acid until the solution reaches a pH slightly above neutral. The endpoint is reached when the moles of acid and base are equal, and the solution becomes slightly basic. The equation for the reaction is CH3COOH + NaOH → CH3COONa + H2O.

The difference between strong and weak acid titrations lies in the dissociation of the acid in water. Strong acids dissociate completely, while weak acids only partially dissociate. This affects the pH of the solution during the titration and the endpoint reached. Strong acid titrations result in a neutral endpoint, while weak acid titrations result in a slightly basic endpoint.