摘要:2Br2 + 3Na2CO3 + H2O = 2NaHCO3 + 2NaBrO + 2NaBr + CO2↑ Br2 + NaHCO3 = NaBr + HBrO + CO2↑ 6.2FeCl3 + SO2 + 2H2O = 2FeCl2 + H2SO4 + 2HCl BaCl2 + H2SO4 = BaSO4↓ + 2HCl
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