Fe2(SO4)3 + 6NaOH = 2Fe(OH)3 + 3Na2SO4
2Fe"3+" + 3SO4"2-" + 6Na"+" + 6OH"-" = 2Fe(OH)3 + 6Na"+" +3SO4"2-"
2Fe"3+" + 6OH"-" = 2Fe(OH)3 /:2
Fe"3+" + 3OH"-" = Fe(OH)3
2Fe(OH)3 = Fe2O3 + 3H2O
Fe2O3 +3H2=2Fe + 3H2O
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Fe2(SO4)3 + 6NaOH = 2Fe(OH)3 + 3Na2SO4
2Fe"3+" + 3SO4"2-" + 6Na"+" + 6OH"-" = 2Fe(OH)3 + 6Na"+" +3SO4"2-"
2Fe"3+" + 6OH"-" = 2Fe(OH)3 /:2
Fe"3+" + 3OH"-" = Fe(OH)3
2Fe(OH)3 = Fe2O3 + 3H2O
Fe2O3 +3H2=2Fe + 3H2O