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
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时间:2022-12-21 14:18:59