а) 4NO₂ + 2Ba(OH)₂ → Ba(NO₂)₂ + Ba(NO₃3)₂ + 2H₂O
б) 2H₂S + O₂ → 2S + 2H₂O
в) Na₂CO₃ + 2HCl → 2NaCl + CO₂ + H₂O
г) PCl₃ + 3H₂O → 3HCl + H₃PO₃
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Answers & Comments
а) 4NO₂ + 2Ba(OH)₂ → Ba(NO₂)₂ + Ba(NO₃3)₂ + 2H₂O
б) 2H₂S + O₂ → 2S + 2H₂O
в) Na₂CO₃ + 2HCl → 2NaCl + CO₂ + H₂O
г) PCl₃ + 3H₂O → 3HCl + H₃PO₃