Напишите уравнения реакцию следующих превращений:
1. H2⇒H2S⇒SO2⇒NaHSO3
2. ZnS⇒SO2 ⇒SO3 ⇒H2SO4⇒Na2SO4
1. H2⇒H2S⇒SO2⇒NaHSO3
2. ZnS⇒SO2 ⇒SO3 ⇒H2SO4⇒Na2SO4
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Answers & Comments
H2S + 3O2= 2SO2 + 2H2O
SO2 + NaOH = NaHSO3
ZnS + O2 = Zn + SO2
SO2+ O2 = 2SO3
SO3 + H2O = H2SO4
H2SO4+2NaOH = Na2SO4+ 2H2O