б)CuCl2+2NaOH=2NaCl+Cu(OH)2↓
Cu 2+ + 2Cl- + 2Na+ + 2OH- =2Na+ + 2Cl - + Cu(OH)2
Cu 2+ + 2OH- =Cu(OH)2
CuCl2+2NaOH=Cu(OH)2+2NaCl
б)CuCl2+2NaOH=2NaCl+Cu(OH)2↓
Cu 2+ + 2Cl- + 2Na+ + 2OH- =2Na+ + 2Cl - + Cu(OH)2
Cu 2+ + 2OH- =Cu(OH)2
CuCl2+2NaOH=Cu(OH)2+2NaCl