Ответ:
Объяснение:
2Zn + O2 = 2ZnO
ZnO + 2HCl = ZnCl2 + H2O
ZnCl2 + 2NaOH = Zn(OH)2↓ + 2NaCl
Zn(OH)2 + 2 NaOH = Na2[Zn(OH)4]
Na2[Zn(OH)4] + 2 HCl = Zn(OH)2 + 2 NaCl + 2 H2O
Zn(OH)2 + H2SO4 = ZnSO4 + 2 H2O
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Verified answer
Ответ:
Объяснение:
2Zn + O2 = 2ZnO
ZnO + 2HCl = ZnCl2 + H2O
ZnCl2 + 2NaOH = Zn(OH)2↓ + 2NaCl
Zn(OH)2 + 2 NaOH = Na2[Zn(OH)4]
Na2[Zn(OH)4] + 2 HCl = Zn(OH)2 + 2 NaCl + 2 H2O
Zn(OH)2 + H2SO4 = ZnSO4 + 2 H2O