Summary
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1.
The partial vapor pressures of water and alcohol over solutions of isopropanol in 68% H2SO4 at 30, 40, and 50° were measured.
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2.
An empirical formula is given for calculating the activity of water in solutions of i-C3H7OH in 68% H2SO4 at 30, 40, and 50°.
Literature cited
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Entelis, S.G., Korovina, G.V. & Chirkov, N.M. Thermodynamic activity of water in the system H2O-H2SO4-I-C3H7OH. Russ Chem Bull 9, 2090–2091 (1960). https://doi.org/10.1007/BF00912072
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DOI: https://doi.org/10.1007/BF00912072