Please see attached file.
3. Calculate the pH of 0.25 M HOAc.
Describe the dissociation of the acid as follows.
HOAc(aq) + H2O(l) ↔ H3O+ (aq) + OAc-(aq)
Initial 0.25 M 0.25 ...
The solution provides detailed explanations on the concept of weak acid dissociation equilibrium and step-by-step calculations.