50, Zinn (Sn)

Stannum, lat. stannum = Zinn

Massenwirkungsgesetz
         
  Ga Ge As  
  In Sn Sb  
  Tl Pb Bi  
         
 

Löslichkeitsprodukte:
Substanz Formel Reaktion pL β (g/L)
Zinn(II)hydroxid Sn(OH)2 Sn(OH)2 ↔ Sn2+ + 2OH- 27.26 7.88•10-8
Zinn(II)iodid SnI2 SnI2 ↔ Sn2+ + 2I- 4.12 9.93•100
Zinn(II)phosphat Sn3(PO4)2 Sn3(PO4)2 ↔ 3Sn2+ + 2PO43- 52.04 8.37•10-9
Zinn(II)selenid SnSe SnSe ↔ Sn2+ + Se2- 34.5 1.11•10-15
Zinn(II)sulfat SnSO4 SnSO4 ↔ Sn2+ + SO42- 0.11 1.89•102
Zinn(II)sulfid SnS SnS ↔ Sn2+ + S2- 27.49 2.71•10-12
Zinn(II)tellurid SnTe SnTe ↔ Sn2+ + Te2- 36.44 1.48•10-16
Zinn(IV)hydroxid Sn(OH)4 Sn(OH)4 ↔ Sn4+ + 4OH- 56 3.89•10-10
Zinn(IV)sulfid SnS2 SnS2 ↔ Sn4+ + 2S2- 70 5.35•10-22

Komplexdissoziationskonstanten:
Komplex Formel Reaktion pD
Disulfatostannat(II) Sn(SO4)22- Sn(SO4)22- ↔ Sn2+ + 2SO42- 1.65
Hexachloridostannat(IV) SnCl62- SnCl62- ↔ Sn4+ + 6Cl- 17.11
Hexafluoridostannat(IV) SnF62- SnF62- ↔ Sn4+ + 6F- 25
Hexahydroxidostannat(IV) Sn(OH)62- Sn(OH)62- ↔ Sn4+ + 6OH- -18.93
Tetrachloridostannat(II) SnCl42- SnCl42- ↔ Sn2+ + 4Cl- 1.48
Tetranitratostannat(II) Sn(NO3)42- Sn(NO3)42- ↔ Sn2+ + 4NO3- 0.3
Tribromidostannat(II) SnBr3- SnBr3- ↔ Sn2+ + 3Br- 1.5
Trifluoridostannat(II) SnF3- SnF3- ↔ Sn2+ + 3F- 12.9
Trisulfidostannat(IV) SnS32- SnS32- ↔ Sn4+ + 3S2- 5.31
Zinn(II)-EDTA-Komplex Sn(EDTA)2- Sn(EDTA)2- ↔ Sn2+ + EDTA4- 22.1