1. Расставьте коэффициенты 1) Вa + O2 →ВaO 2) H2+ F2 → HF 3) N2 + K→K3N 4) N2O5 +H2O→ HNO3 5) Al + Fe2O3 → Al2O3 +Fe 6) Ba3P2 + O2→ BaO + P2O5 7) C3H8 + O2→ СО2 +Н2О 8) Р2О5+LiOH→Li3PO4+H2O 9) Ni2O3+ C → Ni + CO↑ 10) Ca(OH)2 + HCl →CaCl2 + H2O 11) Al2O3 + H2SO4→Al2(SO4)3 + H2O 12) NO + O2 →NO2
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