Components:
(1) Carbon dioxide,
CO2; [124-38-9]
NIST WebBook
(2) Calcium nitrate,
Ca(NO3)2; [10124-37-5]
NIST WebBook
(3) Water,
H2O; [7732-18-5]
NIST WebBook
Original Measurements
Yasunishi, A.; Yoshida, F.; J. Chem. Eng. Data 1979, 24, 11-14.
Variables:
Ambient temperature: 298.15 K
Pressure: 101.325 kPa
Amount concentration (2): C2/mol L-1 = 0 - 3.581
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 Ref. 1.
Source and Purity of Materials:
- (2,3) Guaranteed reagent, solution degassed by boiling.
- High purity grade sample, purity 99.96 mole%.
Estimated Errors:
Ambient temperature: δT/K = ±0.05
Mass concentration (m/v) (1): δL = ±1%
References
Experimental Values:
Note: P = 1 atm = 101.325 kPa = 1.01325 bar| T (K) | C2 (mol/L) | L |
|---|---|---|
| 298.15 | 0.0 | 8.264 x 10-1 |
| 298.15 | 2.32 x 10-1 | 7.630 x 10-1 |
| 298.15 | 5.10 x 10-1 | 7.027 x 10-1 |
| 298.15 | 8.01 x 10-1 | 6.363 x 10-1 |
| 298.15 | 1.158 | 5.584 x 10-1 |
| 298.15 | 1.476 | 5.014 x 10-1 |
| 298.15 | 1.788 | 4.460 x 10-1 |
| 298.15 | 2.062 | 4.067 x 10-1 |
| 298.15 | 2.504 | 3.430 x 10-1 |
| 298.15 | 3.581 | 2.370 x 10-1 |
(a) L = Ostwald coefficient (cm3 cm-3)
