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>> 8 . |
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4
8.1. (II): ,
, (II). . . , . , :
, (II). 2.: , , , ; . 3 + 2l = l + 2O + O2↑ . , , O2. , , .. O2 . 3. (IV): 2 (III), , -:
4.: 2 , . : Na2SO4 + BaCl2 = 2NaCl + BaSO4↓
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>> 8 . |
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4
8.1. (II): ,
, (II). . . , . , :
, (II). 2.: , , , ; . 3 + 2l = l + 2O + O2↑ . , , O2. , , .. O2 . 3. (IV): 2 (III), , -:
4.: 2 , . : Na2SO4 + BaCl2 = 2NaCl + BaSO4↓
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