2Fe(OH)3 + 3Na2SO4 = Fe2(SO4)3 +6 NaOH
2Fe(OH)3 + 6Na(+) + 3SO4(-2) = 2Fe(+3) + 3SO4(-2) + 6Na(+) + 6OH(-)
2Fe(OH)3 = 2Fe(+3) + 6OH(-)
2Fe(OH)3 + 3Na2SO4 = Fe2(SO4)3 +6 NaOH
2Fe(OH)3 + 6Na(+) + 3SO4(-2) = 2Fe(+3) + 3SO4(-2) + 6Na(+) + 6OH(-)
2Fe(OH)3 = 2Fe(+3) + 6OH(-)