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1.��ԵV��ˮ��γəC��

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1.1 2FeS2+7O2+2H2O→2FeSO4+2H2SO4

1.2�S�F�V�ں��ĵ��ˮ��FeS- O4��H2SO4,��д��Fe2+��,��FeS- O4ֻ��^��е��g�a(ch��n)��ܲ��(w��n)��,�� ˮ��߀Ҫ�Mһ��,��

4FeSO4+2H2SO4+O2→2Fe2(SO4)3+2H2O

1.3��ɵ�Fe2(SO4)3�^FeSO4��(w��n)��ö࣬��ˮ��߀Ҫ�Mһ��,��

Fe2(SO4)3+6H2O→2Fe(OH)3+3H2SO4

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2.��ԵV��ˮ��Σ��

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3.1 �кͷ�

�кͷ��Ҫ��ʯ��ʯ�кͷ�,��ʯ��к� ��Լ�ʯ��ʯ———ʯ��(li��n)��кͷ�3�N[2,��]��Б�(y��ng) ��V��ʯ��кͷ��

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Ca(OH)2+H2SO4=CaSO4↓+2H2O

Ca(OH)2+Fe2++SO42-=CaSO4↓+Fe(OH)2↓

3Ca(OH)2+2Fe3++3SO42-=3CaSO4↓+2Fe (OH)3↓

4Fe(OH)2+O2+2H2O=4Fe(OH)3↓

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