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Relationship Between the Waters of Hydration (Related to the Number of –OH Groups on a Homologous Series of Solutes) and the Activation Energy for Trans-Membrane Diffusion.
| Solute | –OH groups | Activation energy (KJ/mol) |
|---|---|---|
| Glycol(HO-CH2-CH2-OH) | 2 | 60 |
| Glycerol (HO-CH2-CH(OH)-CH2-OH) | 3 | 77 |
| Erythritol (HO-CH2-CH(OH)-CH(OH)-CH2-OH) | 4 | 87 |
