Ответ:
1)4Na + O2 = 2Na2O
Na2O + Ca(OH)2 → 2 NaOH + CaO
2NaOH + H2SO4 = Na2SO4 +2H2O
Na2SO4+ 2HCl = 2NaCl + H2SO4
Объяснение:
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Answers & Comments
Ответ:
1)4Na + O2 = 2Na2O
Na2O + Ca(OH)2 → 2 NaOH + CaO
2NaOH + H2SO4 = Na2SO4 +2H2O
Na2SO4+ 2HCl = 2NaCl + H2SO4
Объяснение: