-五-水解方程式与离子反应方程式总结

水解物质

水解化学方程式

水解离子方程式

1.硫化钠水解

Na2S+H2O NaHS+NaOH

S2-+H2O HS-+OH-

♥2.碳酸钠溶液呈碱性的原因Na2CO3+H2O NaHCO3+NaOH CO32－＋H2O HCO3-＋OH－♥3.AlCl3溶液显酸性的原因

AlCl3+3H2O Al(OH)3+3HCl Al3++ 3H2O Al(OH)3+3H+ 4.NaHS溶液中发生水解NaHS+H2O H2S+NaOH HS-+H2OH2S+OH－

♥5.NH4Cl

NH4Cl+H2O NH3.H2O+HCl NH4++H2O NH3.H2O+H+

♥6.CH3COONa

CH3COONa+H2O CH3COOH+NaOH CH3COO-+H2O CH3COOH+OH-

7.Fe2(SO4)3

Fe2(SO4)3+6H2O 2Fe(OH)3+3H2SO4 Fe3++3H2O Fe(OH)3+3H+

8.NaF

NaF+H2O HF+NaOH

F-+H2O HF+OH-

9.NaCN

NaCN+H2O HCN+NaOH

CN-+H2O HCN+OH-

♥10.NaClO

NaClO+H2O HClO+NaOH

ClO-+H2O HClO+OH-

♥11.CuSO4

CuSO4+2H2O Cu(OH)2+H2SO4

Cu2++2H2O Cu(OH)2+2H+ 12.ZnCl2

ZnCl2+2H2O Zn(OH)2+2HCl Zn2++2H2O Zn(OH)2+2H+ 13.NaHCO3

NaHCO3+H2O H2CO3+NaOH HCO3-+H2O H2CO3+OH- 14.Na3PO4

Na3PO4+H2O Na2HPO4+NaOH

PO43-+H2O HPO4-+OH-

15.Na2SO3

Na2SO3+H2O NaHSO3+NaOH SO32-+H2O HSO3-+OH-

♥16.HCOONa

HCOONa+H2O HCOOH+NaOH HCOO-+H2O HCOOH+OH-

♥17.Na2SiO3

Na2SiO3+2H2OH2SiO3+2NaOH

SiO32-+2H2O H2SiO3+2OH- 18.MgCl2

MgCl2+2H2O Mg(OH)2+2HCl