Закончить уравнение H2SO4+CuO=
HCl+Al2O3=
H3PO4+MgO=
CaNO3+K3PO4=
H2O+BaO=
P2O5+H2O=
N2O3+H2O=
Al(OH)3+HCl=
Mg+FeCl3=
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