Question

which of these salts is least soluble in water?

1. LiCl
2. RbCl
3. FeCl2
4. PbCl2

Answer 1

A simplified set of solubility rules. Memorize the rules.
http://www.files.chem.vt.edu/RVGS/ACT/notes/solubility_rules.html

Answer 2

Fujccn

Answer 3

PbCl2 because I got it right

Answer 4

yr

Answer 5

it's 4. PbCl2