Объяснение:
K2O+H2O=2KOH
BaO+H2O=Ba(OH)2
CuO+H2SO4=CuSO4+H2O
Na2O+2HNO3=2NaNo3+H2O
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Объяснение:
K2O+H2O=2KOH
BaO+H2O=Ba(OH)2
CuO+H2SO4=CuSO4+H2O
Na2O+2HNO3=2NaNo3+H2O