Chemistry Memorization

HCl

Strong Acid

HBr

Strong Acid

HI

Strong Acid

HNO3

Strong Acid

H2SO4

Strong Acid

HClO3

Strong Acid

HClO4

Strong Acid

__OH

Strong Base

All Nitrates are Soluble

All alkali (1A) groups and NH4+ are soluble

Most Cl-, Br-, and I- are soluble

EXCEPT Ag+, Pb2-, Hg2-

Most Sulfate salts are soluble

EXCEPT BaSO4, PbSO4, Hg2SO4, and CaSO4.

Most OH- are slightly soluble

EXCEPT NaOH, KOH, Ca(OH)2 and Ba(OH)2.

Most S2-, CO3-, CrO32-, PO43- salts are insoluble 

EXCEPT most alkali metals and NH4+.

Soluble

Will dissolve

Marginally Soluble

Will dissolve

Slightly Soluble

Will not dissolve

Not Soluble

Will not dissolve

Hg2 2+

mercury

NH4 +

ammonium

NO2 -

nitrite

NO3 -

nitrate

SO3 2-

sulfite

SO4 2-

sulfate

HSO4 -

hydrogen sulfate

OH-

hydroxide

CN-

cyanide

PO4 3-

phosphate

HPO4 2-

hydrogen phosphate

H2PO4 -

dihydrogen phosphate

SCN -

thiocyanate

CO3 2-

carbonate

HCO3 -

hydrogen carbonate

ClO -

hypochlorite

ClO2 -

chlorite

ClO3 -

chlorate

ClO4 -

perchlorate

C2H3O2 -

acetate

MnO4 -

permanganate

Cr2O7 2-

dichromate

CrO4 2-

chromate

O2 2-

peroxide

C2O4 2-

oxalate

S2O3 2-

thiosulfate