Asked by Jackson

which of the following is not soluble ?
(1)sodium chromate
(2)lead(II)iodide
(3)lithium hydroxide
(4)ammonium sulfate


don't understand, please help.
Answered by DrBob222
You need to know the solubility rules. Here is a simplified set.
http://www.files.chem.vt.edu/RVGS/ACT/notes/solubility_rules.html
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