Объяснение:
Mr(Cr2O3)=158
W(Cr)=65%
W(O)=35%
Mr(CrO)=68
W(Cr)= 76%
W(O)=24%
Mr(CrO3)=100
W(cr)= 52%
W(O)=48%
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Объяснение:
Mr(Cr2O3)=158
W(Cr)=65%
W(O)=35%
Mr(CrO)=68
W(Cr)= 76%
W(O)=24%
Mr(CrO3)=100
W(cr)= 52%
W(O)=48%