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ЗнанийНет
Автор - pyurtrqyet

Здійснити ланцюжок перетворень
H2O - O2 - MgO - MgCl2

Ответ

Автор - Lakersha
2Н2O = 2H2 + O2
O2 + 2Mg = 2MgO
Mg + 2HCl = MgCl2 + H2O
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