K20 + H20 = 2 KOH Mg + 2HC = MgCl2 + H2
Ag20 = Ag + 02
FeCl2 + NaOH = Fe(OH)2 + NaCl
CrCl3 + Cr = CrCl2
ZnS + HCl = ZnCl2 + H2S
Fe2O3 + H2
= Fe + H20
NH3 = N2 + H2
WO3 + H2 = W + H2O
Al + 02 = A1203
MgO + HBr = MgBr2 +
+ H20
FeCl2 + Cl2 = FeCl3
NaOH + H3PO4 = Na3PO4 + H20
MnO2 + Al= Al2O3 + Mn
пж расставьте коэффициенты
Ag20 = Ag + 02
FeCl2 + NaOH = Fe(OH)2 + NaCl
CrCl3 + Cr = CrCl2
ZnS + HCl = ZnCl2 + H2S
Fe2O3 + H2
= Fe + H20
NH3 = N2 + H2
WO3 + H2 = W + H2O
Al + 02 = A1203
MgO + HBr = MgBr2 +
+ H20
FeCl2 + Cl2 = FeCl3
NaOH + H3PO4 = Na3PO4 + H20
MnO2 + Al= Al2O3 + Mn
пж расставьте коэффициенты
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