SDS Volume (2714)
Volume 62. Carbon Dioxide in Water and Aqueous Electrolyte Solutions, p None
Original Measurements
Yasunishi, A.; Yoshida, F.; J. Chem. Eng. Data 1979, 24, 11-14.
Variables:
Room Temp:
298.15 and 308.15
$\pu{K}$
Pressure:
101.325
$\pu{kPa}$
Amount concentration (2):
C2/mol L-1 = 0 - 4.131
g/L
Prepared by:
Method/Apparatus/Procedure:
Volumetric apparatus with multibulb buret and magnetic stirrer. Amount of solution and gas absorbed determined volumetrically. Density and composition of solution determined after absorption. Details in [1].
Source and Purity of Materials:
- High purity grade sample, purity 99.96 mole%.
- (2,3) Guaranteed reagent, solution degassed by boiling.
Estimated Errors:
Ambient temperature: δT/K = ±0.05
Mass concentration (m/v) (1): δL = ±1%
References
Components:
- Carbon dioxide, $\ce{ CO2 }$; [124-38-9] NIST WebBook
- Potassium chloride, $\ce{ KCl }$; [7447-40-7] NIST WebBook
- Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data
P = 1 atm = 101.325 kPa = 1.01325 bar
| $T$ ($\pu{K}$) | $C_{2}$ (mol/L) | $L$ |
|---|---|---|
| 298.15 | 0 | 0.8264 |
| 298.15 | 0.498 | 0.7576 |
| 298.15 | 0.980 | 0.7041 |
| 298.15 | 1.890 | 0.6177 |
| 298.15 | 2.702 | 0.5554 |
| 298.15 | 3.505 | 0.5063 |
| 298.15 | 4.131 | 0.4703 |
| 298.15 | 0 | 0.6675 |
| 298.15 | 0.420 | 0.6227 |
| 298.15 | 0.804 | 0.5826 |
| 308.15 | 1.340 | 0.5433 |
| 308.15 | 1.723 | 0.5136 |
| 308.15 | 2.201 | 0.4787 |
| 308.15 | 2.727 | 0.4493 |
| 308.15 | 3.048 | 0.4363 |
| 308.15 | 3.619 | 0.4057 |
| 308.15 | 3.660 | 0.4028 |
| 308.15 | 4.110 | 0.3817 |
(a) L = Ostwald coefficient (cm3 cm-3)
