Components:
(1) Carbon dioxide,
CO2; [124-38-9]
NIST WebBook
(2) Potassium nitrate,
KNO3; [7757-79-1]
NIST WebBook
(3) Water,
H2O; [7732-18-5]
NIST WebBook
Original Measurements
Setchenow, J.; Nouv. Mem. Soc. Imp. Nat. Moscow 1889, 15, 203-74.
Variables:
Ambient temperature: 288.35 K
Amount concentration (2): C2/mol dm-3 = 0 - 2.325
Prepared by:
Method/Apparatus/Procedure:
See other data sheets on J. Setchenow papers.
Source and Purity of Materials:
- See other data sheets on J. Setchenow papers.
Estimated Errors:
Ambient temperature: See other data sheets on J. Setchenow papers.
Experimental Values:
Note: Initial solution: 23.51 g KNO3 + 90.10 cm3 water to make 100 cm3 of sln.| T (K) | T (°C) | C2 (mol/dm3)a | α (cm3(g) cm-3(l) atm-1)b | DF | Kscc (dm3/mol)a,c |
|---|---|---|---|---|---|
| 288.35 | 15.2 | 0.0 | 1.009 | ∞ | - |
| 288.35 | 15.2 | 5.813 x 10-1 | 9.59 x 10-1 | 4.0 | 3.80 x 10-2 |
| 288.35 | 15.2 | 1.163 | 8.905 x 10-1 | 2.0 | 4.66 x 10-2 |
| 288.35 | 15.2 | 2.325 | 7.81 x 10-1 | 1.0 | 4.78 x 10-2 |
(a) Calculated by the compiler. (b) α = Bunsen coefficient [cm3 (STP) cm-3 atm-1]. (c) Kscc = Setchenow salt effect parameter; Kscc = (1/c2) lg(αo/α).
