Răspuns:
Explicație:
1.
BaCl2
PbO PbO2
2.
3 Ba (NO2 )2------> 3 Ba
6 N
12 O
M= 137 + 2.14 + 4.16 =229 ------->229g/moli
229g---------> 1mol Ba(NO2)2
3 . 229 g---------> 3moli Ba(NO2)2
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Răspuns:
Explicație:
1.
BaCl2
PbO PbO2
2.
3 Ba (NO2 )2------> 3 Ba
6 N
12 O
M= 137 + 2.14 + 4.16 =229 ------->229g/moli
229g---------> 1mol Ba(NO2)2
3 . 229 g---------> 3moli Ba(NO2)2