当CH3COOHCH3COO-+H+已达平衡,若要使醋酸的电离平衡向左移动和溶液的pH值都减小,应加入的试剂是
A.CH3COONa | B.NH3·H2O | C.HCl | D.H2O |
当CH3COOHCH3COO-+H+已达平衡,若要使醋酸的电离平衡向左移动和溶液的pH值都减小,应加入的试剂是
A.CH3COONa | B.NH3·H2O | C.HCl | D.H2O |