Otrzymywanie soli
Napisz jonowo :
a)Ca(OH)2+2HNO3->Ca(NO3)2+2H2O
b)KOH+HBr-->KBr+H2o
c)AgNo3+NaCl->AgCl ↓+NaNo3
d)2HJ+Pb(NO3)2->PbJ↓+2HNO3
e)CuSO4+2NaOH->Cu(OH)2↓+Na2SO4
f)FeCl3+3NaOH->3NaCl+Fe(OH)3↓
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a)Ca(OH)2+2HNO3->Ca(NO3)2+2H2O\
Ca2+ + 2OH- + 2H+ + 2NO3- --> Ca2+ + NO3- + 2H2O
H^+ + OH^- --> H2O
b)KOH+HBr-->KBr+H2o
K+ + OH- + H+ + Br- --> K+ + Br- + H2O
H^+ + OH^- --> H2O
c)AgNo3+NaCl->AgCl ↓+NaNo3
Ag+ + NO3- + Na+ + Cl- ---> AgCl + Na+ + NO3-
Ag^+ + Cl^- ---> AgCl
d)2HI+Pb(NO3)2->PbI2↓+2HNO3
2H+ + 2I- + Pb2+ + 2NO3 - ---> PbI2 + 2H+ + 2NO3 -
Pb^2+ + 2I^- --> PbI2
e)CuSO4+2NaOH->Cu(OH)2↓+Na2SO4
Cu2+ + SO4 2- + 2Na+ + 2OH- ---> Cu(OH)2 + 2Na+ + SO4 2-
Cu^2+ + 2OH^- --> Cu(OH)2
f)FeCl3+3NaOH->3NaCl+Fe(OH)3↓
Fe3+ + 3Cl- + 3Na+ + 3OH- --> 3Na+ + 3Cl- + Fe(OH)3
Fe^3+ + 3OH^- --> Fe(OH)3