acid base salt buffer

errors:
almost nobody can do salt hydrolysis to predict the pH of an acidic or basic salt.

Careful with adding acid or base to buffer problems. You get the ratio w H-H equation BUT you MUST scale the ratio to the actual quantities given.

Teach solubilty and end point titrations as a two step:
stoichiometry
to
equilibrium ICE calc.
ALSO!!! DON'T FORGET THE OBSESSION THAT AP HAS WITH SOLUTION EVAPORATION WHILE STAYING SATURATED...show that there is NO change in concentration as evaporation occurs!!!