pHepによる酢酸の電離定数の測定 | |||||||
pH計1 | |||||||
mol/l | pH | H+,CH3COO- | CH3COOH | Ka | pKa | ||
0.1 | 2.5 | 0.003162278 | 0.096837722 | 1.03E-04 | 3.986044566 | ||
0.05 | 2.8 | 0.001584893 | 0.048415107 | 5.19E-05 | 4.284980894 | ||
0.01 | 3.1 | 0.000794328 | 0.009205672 | 6.85E-05 | 4.164055486 | ||
0.001 | 3.6 | 0.000251189 | 0.000748811 | 8.43E-05 | 4.074372423 | ||
pH計2 | |||||||
mol/l | pH | H+,CH3COO- | CH3COOH | Ka | pKa | ||
0.1 | 2.6 | 0.002511886 | 0.097488114 | 6.47E-05 | 4.188951667 | ||
0.05 | 2.7 | 0.001995262 | 0.048004738 | 8.29E-05 | 4.081284101 | ||
0.01 | 3.1 | 0.000794328 | 0.009205672 | 6.85E-05 | 4.164055486 | ||
0.001 | 3.4 | 0.000398107 | 0.000601893 | 2.63E-04 | 3.579519169 | ||
pH計3 | |||||||
mol/l | pH | H+,CH3COO- | CH3COOH | Ka | pKa | ||
0.1 | 2.9 | 0.001258925 | 0.098741075 | 1.61E-05 | 4.794497849 | ||
0.05 | 2.9 | 0.001258925 | 0.048741075 | 3.25E-05 | 4.4878951 | ||
0.01 | 3.1 | 0.000794328 | 0.009205672 | 6.85E-05 | 4.164055486 | ||
0.001 | 3.4 | 0.000398107 | 0.000601893 | 2.63E-04 | 3.579519169 | ||
pH計4 | |||||||
mol/l | pH | H+,CH3COO- | CH3COOH | Ka | pKa | ||
0.1 | 2.6 | 0.002511886 | 0.097488114 | 6.47E-05 | 4.188951667 | ||
0.05 | 2.9 | 0.001258925 | 0.048741075 | 3.25E-05 | 4.4878951 | ||
0.01 | 3 | 0.001 | 0.009 | 1.11E-04 | 3.954242509 | ||
0.001 | 3.4 | 0.000398107 | 0.000601893 | 2.63E-04 | 3.579519169 | ||
pH計5 | |||||||
mol/l | pH | H+,CH3COO- | CH3COOH | Ka | pKa | ||
0.1 | 2.8 | 0.001584893 | 0.098415107 | 2.55E-05 | 4.593061768 | ||
0.05 | 2.8 | 0.001584893 | 0.048415107 | 5.19E-05 | 4.284980894 | ||
0.01 | 3.1 | 0.000794328 | 0.009205672 | 6.85E-05 | 4.164055486 | ||
0.001 | 3.3 | 0.000501187 | 0.000498813 | 5.04E-04 | 3.29793756 | ||
理論値 | |||||||
mol/l | pH | H+,CH3COO- | CH3COOH | Ka | pKa | ||
0.1 | 2.8 | 0.001584893 | 0.098415107 | 2.55E-05 | 4.593061768 | ||
0.05 | 2.95 | 0.001122018 | 0.048877982 | 2.58E-05 | 4.589113263 | ||
0.01 | 3.3 | 0.000501187 | 0.009498813 | 2.64E-05 | 4.577669327 | ||
0.001 | 3.8 | 0.000158489 | 0.000841511 | 2.98E-05 | 4.525059633 | ||
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