某一弱酸HA的标准解离常数为1.0X10(-5次方),则相应的弱酸强碱盐MA的标准水解常数

HAA- + H+ Ka(HA)=[A-]*[H+] / [HA] A- + H2O HA + OH- Kh( MA)= [HA]*[OH-] / [A-]= { [HA]*[OH-] *[H+] } / {[A-] *[H+]} ={ [OH-]*[H+]} / {[A-] *[H+] / [HA] } =Kw / Ka(HA)=1.0*10^-14 / 11.0*10^-5=1.0*10^-9