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Автор - fil440

РЕШИТЕ ПЛЗ ЗАДАЧИ ПО ХИМИИ​

Ответ

Автор - dmitro66

Ответ:

А)K+2Ce=KCe2

Б)4Al+3O2=2Al2O3

MgO+2HNO3=Mg(NO3)2+H2O

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