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IvanRuds
@IvanRuds
October 2021
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Определите степени окисления и валентности: 1)серы в:CaS,SO3,H2SO4,BaSO4 2)хлора в :HClO,HClO2,BaCl2,Cl2O7. 3)железа в:Fe2O3,Fe2S3,FeSO4,H2FeO4
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AnastasiaRooseName
1) Ca
⁺²S⁻² S⁻⁶O⁺² H⁺¹S⁺⁶O⁻² Ba⁺²S⁺⁶O⁻² 2) H⁺¹Cl⁺¹O⁻² H⁺¹Cl⁺³O⁻² Ba⁺²Cl⁻¹ Cl⁺⁷O⁻² 3)Fe⁺³O⁻² Fe⁺³S⁻² Fe⁺²S⁺⁶O⁻² H⁺¹Fe⁺⁶O⁻²
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