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HELPPPPPPPPPP!!!!!AJUTATI-MA PLZZZZ LA ACEST EXERCITIU VA ROGGG!!!DAU 5 CORONITEE

HELPPPPPPPPPPAJUTATIMA PLZZZZ LA ACEST EXERCITIU VA ROGGGDAU 5 CORONITEE class=

Răspuns :

2Ba+O2--->2BaO
BaO+H2O--->Ba(OH)2
Na2CO3+2HCl---->2NaCl+H2O+CO2
BaO+2HCl---->BaCl2+H2O