Ответ:
2Na + 2H²O → 2NaOH + H²
Na + O² → Na²O²
2Na²O² → 2Na²O + O²
Na²O + H²O → 2NaOH
4NaOH + H²SO⁴ → 2Na²SO⁴ + 3H²
Na²SO⁴ + 2HCl → 2NaCl + H²SO⁴
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Ответ:
2Na + 2H²O → 2NaOH + H²
Na + O² → Na²O²
2Na²O² → 2Na²O + O²
Na²O + H²O → 2NaOH
4NaOH + H²SO⁴ → 2Na²SO⁴ + 3H²
Na²SO⁴ + 2HCl → 2NaCl + H²SO⁴