August 2021 0 10 Report
SO2 проявляет восстановительные свойства в реакции 1) SO2 + 2KOH = K2SO3 + H2O 2) SO2 + Br2 + 2H2O = H2SO4 + 2HBr 3) SO2 +2H2S = 3S + 2H2O 4) SO2 + CaO = CaSO3
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