Mg +2 HCl = H2 + MgCl2
2K + H2SO4 = H2 + K2SO4
2Zn + 2H3PO4 = 3H2 + Zn3(PO4)2
2 Al + 6 HBr = 2 AlBr3 + 3 H2
Ba + H2S= реакция не идет
FeO + H2SO4 = FeSO4 + H2O
K2O + 2 HCl = H2O + 2 KCl
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
CuO + 2 HNO3 = Cu(NO3)2 + H2O
3 MgO + 2 H3PO4 = 3 H2O + Mg3(PO4)2
Ca + 2 HI = CaI2 + H2
BaO + 2 HNO3 = Ba(NO3)2 + H2O
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Answers & Comments
Mg +2 HCl = H2 + MgCl2
2K + H2SO4 = H2 + K2SO4
2Zn + 2H3PO4 = 3H2 + Zn3(PO4)2
2 Al + 6 HBr = 2 AlBr3 + 3 H2
Ba + H2S= реакция не идет
FeO + H2SO4 = FeSO4 + H2O
K2O + 2 HCl = H2O + 2 KCl
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
CuO + 2 HNO3 = Cu(NO3)2 + H2O
3 MgO + 2 H3PO4 = 3 H2O + Mg3(PO4)2
Ca + 2 HI = CaI2 + H2
BaO + 2 HNO3 = Ba(NO3)2 + H2O