题目

往水中加入下列物质，对水的电离平衡不产生影响的是 A．NaHSO4        B． CH3COOK    C．KAl(SO­4)2       D．NaI 答案：DThis article may shock some sensitive readers, _____I offer my apologies in advance. A．from whomB．for whomC．to whomD．towards whom