4Na + O2 = 2Na2O
Na2O+H2O = 2NaOH
NaOh+HCl=NaCl+H2O
Дальше хз...
2Na + 2H2O = 2NaOH + H2 замещения
2NaOH + H2SO4 = Na2SO4 + 2H2O
Na2SO4 + BaCl2 = BaSO4 + 2NaCl
NaCl + AgNO3 = AgCl + NaNO3
2NaNO3 + H2CO3 = Na2CO3 + 2HNO3
все кроме первой обмен
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4Na + O2 = 2Na2O
Na2O+H2O = 2NaOH
NaOh+HCl=NaCl+H2O
Дальше хз...
2Na + 2H2O = 2NaOH + H2 замещения
2NaOH + H2SO4 = Na2SO4 + 2H2O
Na2SO4 + BaCl2 = BaSO4 + 2NaCl
NaCl + AgNO3 = AgCl + NaNO3
2NaNO3 + H2CO3 = Na2CO3 + 2HNO3
все кроме первой обмен