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Equilibrium Relative Humidity of Some Sulphuric Acid Solutions |
| % Sulphuric acid and density (g/ml) |
R.H. % |
% Sulphuric acid and density (g/ml) |
R.H. % |
| 80%, 1.720 |
1.0 |
40%, 1.300 |
57.0 |
| 75%, 1.660 |
2.2 |
35%, 1.258 |
66.8 |
| 70%, 1.605 |
5.1 |
30%, 1.217 |
75.9 |
| 65%, 1.549 |
17.0 |
20%, 1.138 |
88.5 |
| 55%, 1.421 |
26.8 |
15%, 1.101 |
92.9 |
| 50%, 1.392 |
36.9 |
10%, 1.066 |
96.2 |
| 45%, 1.344 |
46.8 |
5%, 1.030 |
98.6 |
| *From: R. E. Wilson, J Indust. Eng. CHem., 13, 326 (1921) |
| Taken from Pethig p.126 |
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