поставьте коэффициент и укажите тип хим. решений: Ag+S=Ag2S
Mg+O2=MgO
Br2+KI=I2+KBr
Ba(OH)2+H2SO3=BaSO3+H2O
Zn(OH)2=ZnO+H2O
P+Cl2=PCl3
CaO+HNO=Ca(NO3)2 + H2O
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