<span>KOH + Al(OH)3=<span>K{AI(OH)4}</span></span>
<span><span><span>FeCO3+2HCl=FeCl2+CO2+H2O</span></span></span>
<span><span><span>Fe 2+ + CO3 2- + 2H+ + 2Cl-=Fe 2+ + 2Cl- + CO2 + H2O</span></span></span>
<span><span><span>CO3 2- + 2H +=CO2+H2O</span></span></span>
<span><span><span><span>Ca(OH)2+2HNO3=Ca(NO3)2+H2O</span></span></span></span>
<span><span><span><span>Ca 2+ + 2OH- + 2H+ + 2NO3-=Ca2+ + 2NO3-+ H2O</span></span></span></span>
<span><span><span><span>H+ + OH-=H2O </span></span></span></span>
(C2H5)2NH + CH3-СН2-Cl = (С2Н5)3-N + HCl
Левая формула больше чем правая