Chemistry Forum

Posted: **Tue Sep 27, 2011 8:53 pm**

K₂SO₄
FeCO₃
CoCl₂
Pb(NO₃)₂
PbCl₂
BaSO₄

soluble or insoluble

Posted: **Thu Sep 29, 2011 11:08 pm**

K₂SO₄ good solubility in water
FeCO₃ reacts with water (hydrolysis)
CoCl₂ good
Pb(NO₃)₂ good
PbCl₂ moderate
BaSO₄ very poor

What are the solubilities of these compounds?