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History, 17.06.2020 20:57 nathanowens121224

A. FeS2 → SO2 → SO3 + H2SO4 → NaHSO4 → Na2SO4 → Na b. H2S →SSO2 Na2SO3 → Na2SO4 > BaSO4.
c. S + H2S → H2SO4 FeSO4 Fe2(SO4)3.
d. MnO2 + Cl2 FeCl3 Fe(OH)3 FeCl3 + AgCl.
e. I2 + KI KBr Br2 → NaBr + NaCl Cl2.

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A. FeS2 → SO2 → SO3 + H2SO4 → NaHSO4 → Na2SO4 → Na b. H2S →SSO2 Na2SO3 → Na2SO4 > BaSO4.
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