According to Solubility guidelines chemistry reference table, which of these salts is least soluble in water?

a- PbCl2
b- RbCl
c- LiCl
d- FeCl2

2 answers

Here is a site that gives some simple guidelines for solubility.http://www.chem.vt.edu/RVGS/ACT/notes/solubility_rules.html
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