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Urgent va rog ! Am nevoie la moment !

Urgent Va Rog Am Nevoie La Moment class=

Răspuns :

2Na +S =Na2S

2Na + Cl2 =2NaCl

4Na+O2=2Na2O

2Na  +2 H2O=2NaOH +H2

2NaOH +CO2=Na2CO3 + H2O

2NaOH + ZnCl2=2NaCl +Zn(OH)2