July 2022 1 11 Report
что это за химические вещества? или что за формулы?
О2- ?
SO4-?
SO2-?
O3-?
NO-?
HNO2-?
N2H4-?
SO3-?
H2SO3-?
CH4-?
C2H2-?
FECl2-?
CuO-?
FeCl3-?
NO2-?
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