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Автор - nellyashanina

FeS2 -> SO2 -> SO3 -> H2SO4 -> BaSO4 -> H2S

Ответ

Автор - MihailAndreevich

Ответ:

FeS2 + O2 = SO2 + Fe2O3

S + O2 = SO2

SO2 + O3 = SO3 + O2↑.

SO3 + H2O = H2SO4

H2SO4 + BaCl2 = BaSO4↓ + 2HCl

Объяснение:

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