ВАРИАНТ III 1.Расставить коэффициенты и определить тип реакции a) Fe+O2→Fe2O3 b) Al+WO3→Al2O3+W c) K₂CO3+NaOH-Na₂CO3+KOH d) Cr(OH)3→Cr2O3+H2O Joginu
даю 70баллов​
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