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Автор - mikol92

составите уравнение реакций SO2->H2So4->CaSO3->SO2​

Ответ

Автор - aleksoref

Объяснение:

  1. SO3 + H2O → H2SO4
  2. Ca + H2SO3→CaSO3 + H2
  3. CaSO3 → CaO + SO2
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