CuSO4+2KOH=Cu{OH}2+K2SO4
CuSO4+2KOH=Cu{OH}2+K2SO4 ПИУ: Cu2+ + SO42- + 2K+ + 2OH- = Cu(OH)2+2K+ + SO42- КИУ: Cu2+ + 2OH- = Cu(OH)2