Sio2+naoh= mgo+hno3= cr(ii)o+h2so4= cr(vi)o3+koh= - вопрос №216130423243232 от lox53 20.12.2022 06:38

Question

Химия: Sio2+naoh= mgo+hno3= cr(ii)o+h2so4= cr(vi)o3+koh= cr(iii)2o3+naoh= zi2o+h2o= co2+h2o= bao+h3po4= cuo+hno3= so2+h2o= so2+ca(oh)2=

lox53 · Answer

2NaOH + SiO2 = Na2SiO3 + H2OMgO + 2HNO3 = Mg(NO3)2 + H2OCrO + H2SO4 = CrSO4 + H2OCrO3 + 2KOH = K2CrO4Cr2O3 + 2NaOH = 2NaCrO2 + H2OZnO + H2O - реакция не идетCO2 + H2O ⇄ Н2СО33BaO + 2H3PO4 = Ba3(PO4)2↓ + 3H2OСuO + 2HNO3 = Cu(NO3)2 + H2OSO2 + H2O ⇄ H2SO3SO2 + Ca(OH)2 = CaSO3↓ + H2O...