Ответы и объяснения

2012-12-15T16:42:03+00:00

2FeCl3 + Fe = 3FeCl2↓

FeCl2 + 2NaOH= Fe(OH)2↓ + 2NaCl

4Fe(OH)2 + O2 + 2H2O = 4Fe(OH)3

Fe(OH)3 + 3HCl → FeCl3 + 3H2O

2012-12-15T18:44:25+00:00

Fe+2HCl=FeCl2+H2

FeCl2+2NaOH=Fe(OH)2+2NaCl

4Fe(OH)2+O2+2H2O=4Fe(OH)3

Fe(OH)3+3HCl=FeCl3+3H2O