Расставить степени окисления в соединениях (письменно): Cl2; Li2O; Al; К2CO3; CaCO3; AlВr3; Li3N; Zn; HNO3; С; NaOH; O2; OF2; SO2; BaH2; Н3РO4; NH3, Fe2О3; Fе2(SО4)3​
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