Na→na2o→naoh→na2so4→baso4→baci2→ba (oh)2 - вопрос №7801123224422 от alyamirnaya28 27.03.2020 23:50

Question

Химия: Na→na2o→naoh→na2so4→baso4→baci2→ba (oh)2

alyamirnaya28 · Answer

Na2O2 + 2Na = 2Na2ONa2O + H2O = 2NaOH FeCl3 + 3NaOH → Fe(OH)3↓ + 3NaCl2NaCl+BaSO4=Na2SO4+BaCl2 BACL2+2H2O=BA(OH)2+2HCL Fe(NO3)2 + Ba(OH)2 = Fe(OH)2 + Ba(NO3)2Fe(OH)2 = FeO + H2OFeO + H2SO4(разб.) = FeSO4 + H2O FeSO4 + H2 = H2SO4 + Fe...