December 2021 0 7 Report
Расставьте коэффициенты в приведённых ниже схемах химических реакций, укажите их типы: а) Fe(OH)2=Fe O+H2O б) HCl +Na2O=NaCl+H2O в) KBr+Cl2=KCl+Br2 г) Zn+O2=ZnO
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