niso4 + 2naoh = ni(oh)2 + na2so4
ni(2+) + so4(2-) + 2na+ + 2oh- = ni(oh)2 + 2na+ + so4(2-)
ni(2+) + 2oh- = ni(oh)2
alcl3 + 3naoh = al(oh)3 + 3nacl
al(3+) + 3cl- + 3na+ + 3oh- = al(oh)3 + 3na+ + 3cl-
al(3+) + 3oh- = al(oh)3
cuso4 + 2naoh = cu(oh)2 + na2so4
cu(2+) + so4(2-) + 2na+ + 2oh- = cu(oh)2 + 2na+ + so4(2-)
cu(2+) + 2oh- = cu(oh)2
ni(oh)2 + 2hcl = nicl2 + 2h2o
ni(oh)2 + 2h+ +2cl- = ni(2+) + 2cl- + 2h2o
ni(oh)2 + 2h+ = ni(2+) + 2h2o
al(oh)3 + 3hcl = alcl3 + 3h2o
al(oh)3 + 3h+ + 3cl- = al(3+) + 3cl- + 3h2o
al(oh)3 + 3h+ = al(3+) + 3h2o
cu(oh)2 + 2hcl = cucl2 + 2h2o
cu(oh)2 + 2h+ + 2cl- = cu(2+) + 2cl- + 2h2o
cu(oh)2 + 2h+ = cu(2+) + 2h2o
k2cr2o7 + 2bacl2 + h2o = 2bacro4 + 2kcl + 2hcl
2k+ + cr2o7(2-) + 2ba(2+) + + h2o = 2bacro4 + 2k+ + 2cl- + 2h+ + 2cl-
2k+ + cr2o7(2-) + 2ba(2+) + + h2o = 2bacro4 + 2h+
pb(ch3coo)2 + 2ki = pbi2 + 2ch3cook
pb(2+) + 2ch3coo- + 2k+ + 2i- = pbi2 + 2ch3coo- + k+
pb(2+) + 2i- = pbi2
ca(oh)2 + co2 = caco3 + h2o
ca(2+) + 2oh- + co2 = caco3 + h2o
caco3 + co2 + h2o = ca(hco3)2
ca(2+) + co3(2-) + co2 + h2o = ca(2+ ) +
co3(2-) + co2 + h2o =
cocl2 + naoh = cocloh + nacl
co(2+) + 2cl- + na+ + oh- = cocloh + na+ + cl-
co(2+) + cl- oh- = cocloh
cocl2 + 2naoh = co(oh)2 + 2nacl
co(2+) + 2cl- + 2na+ + 2oh- = co(oh)2 + 2na+ + 2cl-
co(2+) + 2oh- = co(oh)2
co(oh)2 + 2hcl = cocl2 + 2h2o
co(oh)2 + 2h+ +2cl- = co(2+) + 2cl- + 2h2o
co(oh)2 + 2h+ = co(2+) + 2h2o
4co(oh)2 + o2 + 2h2o = 4co(oh)3 (ионов нет - ни одно из соединений не диссоциирует).
