Объяснение:
Zn + S = ZnS
ZnS + 2HCl = ZnCl2 + H2S↑
2H2S +3O2 = 2SO2↑ + 2H2O
SO2 + 2NaOH = Na2SO3 + H2O
Na2SO3 + 2HCl = 2NaCl + SO2↑ + H2O
Объяснение:
Zn + S = ZnS
ZnS + 2HCl = ZnCl2 + H2S↑
2H2S +3O2 = 2SO2↑ + 2H2O
SO2 + 2NaOH = Na2SO3 + H2O
Na2SO3 + 2HCl = 2NaCl + SO2↑ + H2O