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wilianna
@wilianna
February 2023
1
10
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5. Добери коефіцієнти у схемах реакцій.
_Ca+O2=_CaO
_Fe+_O2=_Fe2O3
Відповідаєте не вірно- кидаю скаргу
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cvb115
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Ответ:
2Ca+O2=2CaO
4Fe+3O2=2Fe2O3
3 votes
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Verified answer
Ответ:
2Ca+O2=2CaO
4Fe+3O2=2Fe2O3