уравнения возможных реакций H2SO4:Mg,Cu,HCl,NaOH,CaCO3,NaCl,MgO

Question

уравнения возможных реакций

H2SO4:Mg,Cu,HCl,NaOH,CaCO3,NaCl,MgO

Answer 1

Сu+H2SO4-CuSO4+SO2+H2O; Cu+2HSO4-CuSO4+2H2O+SO2; Mg+2OH+2H+SO4-Mg+SO4+2H2O