Ответ:
2Na³⁺+H⁺¹₂O⁻²=2Na⁺¹O⁻²H⁺¹+H₂⁰
4NH₃⁻³+5O₂⁰=6H⁺¹₂O⁻²+4N⁺¹O⁻²
2S⁺⁴O₂⁻²+O₂⁰=2S⁺⁶O⁻²₃
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Ответ:
2Na³⁺+H⁺¹₂O⁻²=2Na⁺¹O⁻²H⁺¹+H₂⁰
4NH₃⁻³+5O₂⁰=6H⁺¹₂O⁻²+4N⁺¹O⁻²
2S⁺⁴O₂⁻²+O₂⁰=2S⁺⁶O⁻²₃