H3PO4的pKa1=2.12,pKa2=7.20,pKa3=12.36,则PO43-的pKb1为()


H3PO4的pKa1=2.12,pKa2=7.20,pKa3=12.36,则PO43-的pKb1为()

A.11.88

B.1.64

C.6.8

D.6.64

正确答案:B


Tag: 时间:2022-12-21 14:18:59