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CuSO₄+KOH->...
Cu(NO₃)₂+H₂S->...
CuSO₄+Ba(OH)₂->...
Cu(NO₃)₂+Ba(OH)₂->...
Cum completez ecuatiile chimice???
Ajutati-ma va rog...:(


Răspuns :

CuSO₄+2NaOH=Cu(OH)₂+K₂SO₄
CuSO₄+Ba(OH)₂=BaSO₄+Cu(OH)₂
Cu(NO₃)₂+Ba(OH)₂=Ba(NO₃)₂+Cu(OH)₂