Density of potassium iodide, KI(aq)
Table 1. Estimated values of absolute density (g/cm3) of aqueous
potassium iodide solutions {KI + H2O) as function of electrolyte
molality m and temperature T (at pressure p = 1 bar). Values in the table are consistent with the
density of pure water calculated with the IAPWS-95 equation of state.
|
ρ /g·cm−3 |
|---|
| m /mol·kg(H2O)−1 |
T = 10.0 °C |
T = 25.0 °C |
T = 40.0 °C |
T = 55.0 °C |
T = 70.0 °C |
T = 85.0 °C |
|---|
| 0.1 |
1.01189 |
1.00900 |
1.00400 |
0.99734 |
0.98931 |
0.98008 |
| 0.2 |
1.02393 |
1.02081 |
1.01563 |
1.00884 |
1.00070 |
0.99138 |
| 0.3 |
1.03583 |
1.03248 |
1.02713 |
1.02019 |
1.01194 |
1.00254 |
| 0.4 |
1.04761 |
1.04403 |
1.03850 |
1.03142 |
1.02306 |
1.01357 |
| 0.5 |
1.05925 |
1.05545 |
1.04975 |
1.04253 |
1.03406 |
1.02448 |
| 0.6 |
1.07077 |
1.06676 |
1.06088 |
1.05350 |
1.04494 |
1.03528 |
| 0.7 |
1.08217 |
1.07795 |
1.07189 |
1.06440 |
1.05571 |
1.04596 |
| 0.8 |
1.09345 |
1.08902 |
1.08280 |
1.07517 |
1.06636 |
1.05654 |
| 0.9 |
1.10460 |
1.09998 |
1.09359 |
1.08582 |
1.07691 |
1.06701 |
| 1.0 |
1.11565 |
1.11082 |
1.10427 |
1.09637 |
1.08735 |
1.07737 |
| 1.2 |
1.13738 |
1.13220 |
1.12531 |
1.11715 |
1.10793 |
1.09780 |
| 1.4 |
1.15867 |
1.15312 |
1.14594 |
1.13753 |
1.12811 |
1.11783 |
| 1.6 |
1.17953 |
1.17363 |
1.16616 |
1.15751 |
1.14791 |
1.13749 |
| 1.8 |
1.19996 |
1.19374 |
1.18599 |
1.17711 |
1.16733 |
1.15678 |
| 2.0 |
1.21999 |
1.21346 |
1.20545 |
1.19634 |
1.18639 |
1.17572 |
| 2.5 |
1.26833 |
1.26111 |
1.25248 |
1.24287 |
1.23252 |
1.22156 |
| 3.0 |
1.31439 |
1.30655 |
1.29737 |
1.28730 |
1.27658 |
1.26537 |
| 3.5 |
1.35833 |
1.34992 |
1.34025 |
1.32976 |
1.31872 |
1.30725 |
| 4.0 |
1.40034 |
1.39139 |
1.38125 |
1.37039 |
1.35902 |
1.34728 |
| 4.5 |
1.44058 |
1.43108 |
1.42051 |
1.40928 |
1.39759 |
1.38557 |
| 5.0 |
1.47924 |
1.46915 |
1.45813 |
1.44653 |
1.43450 |
1.42216 |
| 5.5 |
1.51645 |
1.50570 |
1.49423 |
1.48224 |
1.46985 |
1.45711 |
| 6.0 |
1.55238 |
1.54087 |
1.52890 |
1.51649 |
1.50368 |
1.49049 |
Questions and answers based on this table
- What is the density of 2.0 mol/kg KI
solution at 10.0 °C? 1.2200 g/cm3
- What is the molarity of 3.0 mol/kg KI
at 25.0 °C? 2.6166 mol/L