Ответ:
Объяснение:
1)
a)
Zn + H2SO3 = ZnSO3 + H2
2ZnSO3 + O2 = 2ZnO + 3SO2
ZnO + 2HNO3 = Zn(NO3)2 + H2O
б)
2Ba + O2 = 2BaO
BaO + 2HCl = BaCl2 + H2O
BaCl2 + 2NaOH = 2HCl + Ba(OH)2
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Answers & Comments
Ответ:
Объяснение:
1)
a)
Zn + H2SO3 = ZnSO3 + H2
2ZnSO3 + O2 = 2ZnO + 3SO2
ZnO + 2HNO3 = Zn(NO3)2 + H2O
б)
2Ba + O2 = 2BaO
BaO + 2HCl = BaCl2 + H2O
BaCl2 + 2NaOH = 2HCl + Ba(OH)2