whoops... signing in a bit late but oh well... plz try and talk in english .... that makes a little more sense.
anyway, with solubility rules, all nitrates, acetates, potassium, sodium?, ammonium compounds and Most chlorides - except for AgCl - are soluble
there are some exceptions to these , usually barium and lead and sometime silver.
also, hydroxides usually insoluble (unless one of the ones already mentioned above. i dont know if this is entirely right, so go check out the web. and i think i might have seen it somewhere else on bos before, so do a search.
the E-naught values should be in your textbook somewhere , try the back. (or front). in conc.chem 3rd e. we have numerous versions scatted throughout our textbook.
wish i was doing forensics... i want to do it in uni, probably at uts... anyway, *sigh* i think we're doing industrial chem, but im not entirely sure.
and you guys think you have a crappy teacher!? well, we spent a whole eighty minute peroid (thats 1 hr 20!) with our bloody galvanic cells all connected up to power packs!!! and she [teacher] didnt ever realise! omg, and she keeps saying that we'll pass yr 12 chem cause we can balance equations and count to 4 (carbon chem...) wish me luck...