July 2022 1 9 Report
Химия 8 класс.
Умоляю, объясните подробно, как ребёнку, как это делать?!

...+ H2O = Ba(OH)2;
Fe(OH)3 = ... + H2O;
... = CO2 + H2O;
K2O + H2O = ... ;
SO2 + H2O = ... ;
H2SiO3 = Si2 + ... ;
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