SDS Volume (2733)
Volume 62. Carbon Dioxide in Water and Aqueous Electrolyte Solutions, p None
Original Measurements
Setchenow, J.; Nouv. Mem. Soc. Imp. Nat. Moscow 1889, 15, 203-74.
Variables:
Room Temp:
288.35
$\pu{K}$
Amount concentration (2):
C2/mol dm-3 = 0 - 2.325
g/L
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.
Components:
- Carbon dioxide, $\ce{ CO2 }$; [124-38-9] NIST WebBook
- Potassium nitrate, $\ce{ KNO3 }$; [7757-79-1] NIST WebBook
- Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data
Initial solution: 23.51 g KNO3 + 90.10 cm3 water to make 100 cm3 of sln.
| $T$ ($\pu{K}$) | $T$ (°C) | $C_{2}$ (mol/dm3) | α ($\pu{cm3(g) cm-3(l) atm-1}$) | DF | $K_{\rm{scc}}$ ($\pu{dm3/mol}$) |
|---|---|---|---|---|---|
| 288.35 | 15.2 | 0 | 1.009 | ∞ | - |
| 288.35 | 15.2 | 0.5813 | 0.959 | 4 | 0.0380 |
| 288.35 | 15.2 | 1.163 | 0.8905 | 2 | 0.0466 |
| 288.35 | 15.2 | 2.325 | 0.781 | 1 | 0.0478 |
(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).
