Ответ учителя по предмету Химия
1.Na2O + H2O = 2NaOH
2.NaOH + HCl = NaCl + H2O OH- + H+ = H2O(малодис. вещество )
3.2NaCl(расплав)=электр.ток= 2Na(катод)+ Cl2(анод)
4.2Na+Br2=2NaBr
1.Na2O + H2O = 2NaOH
2.NaOH + HCl = NaCl + H2O OH- + H+ = H2O(малодис. вещество )
3.2NaCl(расплав)=электр.ток= 2Na(катод)+ Cl2(анод)
4.2Na+Br2=2NaBr
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