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pH  0.1M Na2HPO4/ml  0.2M NaH2PO4/ml  pH  0.1M
5.8  8.0   92.0  7.0  61.0  39.0
5.9  10.0  90.0  7.1  67.0  33.0
6.0  12.3  87.7  7.2  72.0  28.0
6.1  15.0  85.0  7.3  77.0  23.0
6.2  18.5  81.5  7.4  81.0  19.0
6.3  22.5  77.5  7.5  84.0  16.0
6.4  26.5  73.5  7.6  87.0  13.0
6.5  31.5  68.5  7.7  89.5  10.5
6.6  37.5  62.5  7.8  91.5  8.5
6.7  43.5  56.5  7.9  93.0  7.0
6.8  49.5  51.0  8.0  94.7  5.3
6.9  55.0  45.0








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