Zadanie 2 w załączniku
a) ZnO +2 HBr -> ZnBr2 + H2O
b) FeO + H2S -> FeS + H2O
c) K2O + 2HNO3 -> 2KNO3 + H2O
d) Na2O + H2SO4 -> Na2SO4 + H2O
e) Cr2O3 + 2H3PO4 -> 2CrPO4 + 3H2O
f) 3MnO +2 H3PO4 -> Mn3(PO4)2 +3 H2O
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a) ZnO +2 HBr -> ZnBr2 + H2O
b) FeO + H2S -> FeS + H2O
c) K2O + 2HNO3 -> 2KNO3 + H2O
d) Na2O + H2SO4 -> Na2SO4 + H2O
e) Cr2O3 + 2H3PO4 -> 2CrPO4 + 3H2O
f) 3MnO +2 H3PO4 -> Mn3(PO4)2 +3 H2O