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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Ответ:
a) Ba+Cl2->BaCl2
BaCl2+H2->2HCl+Ba
2HCl+Na2S->2NaCl+H2S
b)4P+5O2->2P2O5
P2O5+H20->H3PO4
2H3PO4+6Na->2Na3PO4+3H2