December 2021 0 12 Report
Уравняйте реакции, и запишите.что это за реакции: FeO+Al=Fe+Al2O3
N2O5+H2O=HNO3
Cu+NHO3=Cu(NO3)2+NO2+H2O
H2SO4+NaOH=Na2So4+H2O
NaHCO3=Na2Co3+H2O+Co2
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