Кто правильно решит тому 50 БАЛЛОВ !!!
CrO+HNO3=
CO2+NaOH=
CaO+H3PO4=
Ca(OH)2+P2O5=
H2SO4+MgO=
HCl+BaO=
CaO+SO2=
MgO+SiO2=
BaO+P2O5=
Na2O+N2O5=
K2O+Al2O3=
P2O5+SrO=
Al2O3+CaO=
CO2+BaO=
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