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Am si eu nevoie de exercitiul 22,Urgent!DAU COROANĂ!

Am Si Eu Nevoie De Exercitiul 22UrgentDAU COROANĂ class=

Răspuns :

2H2O2=2H2O + O2                                                 A=H2O2  apa oxigenata
2Na +2 H2O=2 NaOH +H2                                      a=H2O
2H2 +O2 =2H2O                                                      b=O2
H2 + Cl2=2HCl                                                         d=NaOH
 2Na +2 HCl=2NaCl + H2                                         e=H2
NaOH +HCl=NaCl +H20                                           f=HCl
Na Cl +K=KCl +Na                                                   g=NaCl
2Na +FeSO4=Na2SO4 +Fe                                     h=KCl
Fe+CuSO4=FeSO4 +Cu                                          i=FeSO4
                                                                                 j=CuSO4