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>> 8 . |
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8 .
8.1NaOH , .. , .. , , . 2(II),+2()2, (I) . , .. . 3Fe+2(OH)2 → Fe+2O (II) Fe+3(OH)3 → Fe2+3O3 (III) Cu+2(OH)2 → Cu+2O () 4Cu+2O → Cu+2(OH)2: () Fe+2O → Fe+2(OH)2 (II) Mg+2O → Mg+2(OH)2 5
6
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>> 8 . |
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8 .
8.1NaOH , .. , .. , , . 2(II),+2()2, (I) . , .. . 3Fe+2(OH)2 → Fe+2O (II) Fe+3(OH)3 → Fe2+3O3 (III) Cu+2(OH)2 → Cu+2O () 4Cu+2O → Cu+2(OH)2: () Fe+2O → Fe+2(OH)2 (II) Mg+2O → Mg+2(OH)2 5
6
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