P2O5 + H2O → H3PO4
N2O5 + H2O → HNO3
Na + H2 → NaH
K + Br2 → KBr
Al + O2 → Al2O3
Mg + HCl → MgCl2 + H2↑
Na + H3PO4 → Na3PO4 + H2↑
Na2O + H2O → NaOH
решите пж с объснением
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