2. Расставить коэффициенты в схемах уравнений
1 вариант
2 CuO + HCI -> CuCl2 + H2O
3
Al(OH)3 -> Al2O3 + H2O
2 вариант
1. H2 + O2 -> H2O
2. H2SO4 + KOH -> K2SO4 + H2O​
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