0.010mol•L-1 HAc溶液的离解度为0.042,求HAc的离解常数和该溶液的c(H+).需要详细过程,谢谢!

问题描述:

0.010mol•L-1 HAc溶液的离解度为0.042,求HAc的离解常数和该溶液的c(H+).需要详细过程,谢谢!

-----------------HAc = H+ + Ac-初(mol/L) 0.010 0 0平 (mol/L) 0.010 -x x x离解度 = x / 0.010 = 0.042x = 0.00042 = c(H+)平衡常数K = [H+][Ac-]/[HAc] ...