Na2HPO4Solution (mL)
(mL)
KH2PO4 Solution
pH
0.25
9.75
5.288
0.5
9.5
5.589
1.0
9.0
5.906
2.0
8.0
6.239
3.0
7.0
6.468
4.0
6.0
6.643
5.0
6.813
6.979
7.168
7.381
7.731
8.043