solubility rules

Group 1 cations(soluble)

Li+ Na+ K+ Rb+ Cs+

Ammonium (soluble)

NH4+

Nitrates,Nitrites(soluble)

NO3-, NO2-

Chlorides Bromides, Iodides, and Fluorides(soluble)

Cl- Br- I- f-

Sulfates(soluble)

SO4²-

Chlorates, Perchlorates(soluble)

ClO3^-, ClO4^-

Acetates(soluble)

CH3COO-

Group 1 cations exceptions:

No exceptions

Nitrates and nitrites exceptions

AgNO2 is moderately soluble

Chlorides bromides and iodides exceptions

Insoluble: AgCl, Hg2Cl2, PbCl2, AgBr, Hg2Br2, PbBr2, AgI, Hg2I2 and PbI2

Fluoride exceptions:

MgF2, CaF2, SrF2, BaF2, PbF2

Chlorates, perchlorates exceptions:

No common exceptions

Acetates exceptions

Moderately soluble: AgCH3COO

Phosphates(insoluble)

PO4³-

Carbonates(insoluble)

CO3²-

Hydroxides(insoluble)

OH-

Sulfides (insoluble)

S²-

Phosphates insoluble exceptions

Soluble: (NH4)_3PO4, Na3PO4,K3PO4

Carbonates exceptions

(NH4)_2CO3, Na2CO3, K2CO3

Hydroxide exceptions

Soluble: LiOH, NaOH, KOH, Ba(OH)2

Moderately soluble: Ca(OH)2, Sr(OH)2

Sulfides(s²-) exceptions

Soluble:(NH4)2S, Na2S, K2S, MgS, CaS

HCl (Hydrochloric acid)

Strong acid

HNO3 (Nitric Acid)

strong acid

H2SO4(sulfuric acid)

Strong Acid

HClO4(Perchloric Acid)

Strong Acid

HBr (hydrobromic Acid)

Strong acid

HI (Hydriodic acid)

Strong Acid

LiOH (Lithium Hydroxide)

Strong Base

NaOH(sodium hydroxide

Strong Base

KOH (potassium hydroxide)

Strong Base

Ca(OH)2 (Calcium Hydroxide)

Strong Base

Ba(OH)2 (Barium Hydroxide)

Strong Base

Sr(OH)2 (strontium hydroxide)

Strong base