August 2021 1 14 Report
Расставьте коэффициенты и укажите тип реакций.
CaCO2+ HBr
Mg(OH)2 + H2SO4
Cr(OH)3 -- Cr2O3+H2O
CO+O2-- CO2
K+ H3PO4--K3PO4+H2
MgO+H2SO4-- MgSO4+ H2O
Balora(OH)2+ HNO3--Ba(NO3)2+ H2O
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