Ответ: 3 задание:
1. Li+O2= Li2O
2. 2Ca+2O= 2CaO
3. 3O2+3H2S = 2SO2 + h20
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Ответ: 3 задание:
1. Li+O2= Li2O
2. 2Ca+2O= 2CaO
3. 3O2+3H2S = 2SO2 + h20