Răspuns: Ba --->BaO ----> Ba(OH)2 ----> BaSO4
Explicație:
2Ba + O2= 2BaO
BaO+H2O = Ba(OH)2
BaO+H2SO4 = BaSO4 + H2O
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Răspuns: Ba --->BaO ----> Ba(OH)2 ----> BaSO4
Explicație:
2Ba + O2= 2BaO
BaO+H2O = Ba(OH)2
BaO+H2SO4 = BaSO4 + H2O