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Concentrative Properties: Urea
20 to 38
Concentrative properties of aqueous solutions — density, refractive index, molality, molarity, freezing-point depression, and dynamic viscosity as a function of mass percent concentration for 62 solutes. Data from CRC Handbook 97th Edition, Section 5.
| solute | mass percent | c mol L (mol/L) | density g cm3 (g/cm3) | freezing point depression C (degC) | m mol kg (mol/kg) | refractive index (dimensionless) | viscosity mPa s (mPa·s) |
|---|---|---|---|---|---|---|---|
| Urea | 20 | 3.506 | 1.053 | 7 | 4.163 | 1.3629 | 1.178 |
| Urea | 22 | 3.878 | 1.0586 | 7.81 | 4.696 | 1.3661 | 1.205 |
| Urea | 24 | 4.253 | 1.0643 | 8.64 | 5.258 | 1.3692 | 1.235 |
| Urea | 26 | 4.632 | 1.0699 | 9.52 | 5.85 | 1.3723 | 1.266 |
| Urea | 28 | 5.014 | 1.0756 | 10.45 | 6.475 | 1.3754 | 1.298 |
| Urea | 30 | 5.401 | 1.0812 | 11.4 | 7.136 | 1.3785 | 1.332 |
| Urea | 32 | 5.791 | 1.0869 | 12.34 | 7.835 | 1.3817 | 1.371 |
| Urea | 34 | 6.185 | 1.0926 | 13.27 | 8.577 | 1.3848 | 1.413 |
| Urea | 36 | 6.584 | 1.0984 | 14.2 | 9.366 | 1.3881 | 1.459 |
| Urea | 38 | 6.988 | 1.1044 | 15.11 | 10.205 | 1.3913 | 1.509 |
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