Ответ:
№3
2Na+2H2O → 2NaOH+H2
4P+5O2 → 2P2O5
4Al+3O2 → 2Al2O3
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Ответ:
№3
2Na+2H2O → 2NaOH+H2
4P+5O2 → 2P2O5
4Al+3O2 → 2Al2O3