g chem questions

[RUpremed]

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hey guys,

are we expected to know all of the solubility rules? also, are we expected to know the latin names of certain elements?

 

[nunnya]

Hey not sure if you have KBB but it has a great table on pg. 274 for solubility rules. Not sure if you'll need it on the test, but it only takes a bit of time to memorize the table and it could save you a few pts. What I do is make 2 columns, 1 with soluble and 1 with insoluble and then write the exceptions to each rule on the opposite column. So for instance if it's Br/Cl/I I'll put that on the left soluble column, followed by a smiley =), then put Ag/Pb/Hg on the right adjacent to it with a =(

 

[Lethstang]

yes solubility is testable.

quick and dirty

nitrates, acetates, chlorates, and ammonium salts are soluble

group 1 and 2 compounds are soluble

ag, hg, pb are insoluble

this will get you 95% correct, with very little memorization