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Автор - Николь05082004

Ba BaO BaCl2 Ba(OH)2 Ba(SO4)? осуществить цепочку превращений

Ответ

Автор - фтвфкещт20

Ответ:

Ba->BaO->BaCl2->Ba(OH)2->BaSO4

2 Ba+O2-> 2 BaO

BaO+2 HCl -> BaCl2+2 H2O

BaCl2+2 NaOH -> Ba(OH)2+2 NaOH

Ba(OH)2+K2SO4-> BaSO4↓+2 KOH

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