Предмет: Химия, автор: uliana5240

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Автор ответа: DaunihaDaunskaya
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Ответ:

a) Ba+Cl2->BaCl2

BaCl2+H2->2HCl+Ba

2HCl+Na2S->2NaCl+H2S

b)4P+5O2->2P2O5

P2O5+H20->H3PO4

2H3PO4+6Na->2Na3PO4+3H2

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