Na-na2o2-na2o-naoh-na2so4-baso4
Na-na2o2-na2o-naoh-na2so4-baso4 2Na + O2 = Na2O2 2Na + Na2O2 = 2Na2O Na2O + H2O = 2NaOH 2NaOH + CuSO4 = Cu(OH)2 + Na2SO4 Na2SO4 + BaCl2 = BaSO4↓ + 2NaCl
2Na + O2 = Na2O2 2Na + Na2O2 = 2Na2O Na2O + H2O = 2NaOH 2NaOH + CuSO4 = Cu(OH)2 + Na2SO4 Na2SO4 + BaCl2 = BaSO4↓ + 2NaCl