Solubility Rules SALTS & Bases how well a salt ionizes in water.

a. Check Rule 1 first (checking cations (+) Std 3

b. Check Rules 2-5 next (checking (-)

 

1. Soluble (ionizes) 2. Soluble (ionizes)

(cation) (+) (anions) ()

Li1+ NO31-

Na1+ C2H3O21-

K1+ ClO1-

Rb1+ ClO41-

Cs1+

NH41+

 

3. Insoluble 4. Insoluble 5. Insoluble

(wont ionize) (wont ionize) (wont ionize)

Combinations Combinations Anions

 


Ag1+ Cl1- Ag1+ SO42- CO32-

Hg22+ Br1- Hg22+ SO32- O2-

Pb2+ I1- Pb2+ S2-

Ca2+ PO43-

Sr 2+ CrO42-

Ba2+

 


6. Soluble Bases

(will ionize)

LiOH NH4OH

NaOH Ca(OH)2

KOH Sr(OH)2

RbOH Ba(OH)2

CsOH