S-SO2-Na2SO3-SO2-SO3-H2SO4-CuSO4
S + O2 -> SO2
SO2 + 2NaOH -> Na2SO3 + H2O
Na2SO3 + H2SO4 -> Na2SO4 + H2O + SO2⬆️
2SO2 + O2 -> 2SO3
SO3 + H2O -> H2SO4
H2SO4 + Cu(OH)2 -> CuSO4 + 2H2O
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S-SO2-Na2SO3-SO2-SO3-H2SO4-CuSO4
S + O2 -> SO2
SO2 + 2NaOH -> Na2SO3 + H2O
Na2SO3 + H2SO4 -> Na2SO4 + H2O + SO2⬆️
2SO2 + O2 -> 2SO3
SO3 + H2O -> H2SO4
H2SO4 + Cu(OH)2 -> CuSO4 + 2H2O