Răspuns:
a) Fe2O3 + 3 H2SO4 => Fe 2 (SO 4 ) 3 + 3 H 2 O
b) Fe + H2SO4=> FeSO 4 + H 2
c) 2Fe(OH)3 + 3 H2SO4=> Fe2(SO4)3 + 6H2O
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Răspuns:
a) Fe2O3 + 3 H2SO4 => Fe 2 (SO 4 ) 3 + 3 H 2 O
b) Fe + H2SO4=> FeSO 4 + H 2
c) 2Fe(OH)3 + 3 H2SO4=> Fe2(SO4)3 + 6H2O