Carnallite

Formula : KMgCl3:6H2O

Space group: 
Orthorhombic - Dipyramidal HM symbol (2/m 2/m 2/m) Space Group: Pcna
Dana class: 
11.1.2.1

Dernière mise à jour le 11.06.2018

THERMODYNAMICS

Individual properties (298.15 K)
M
g·mol-1
cm3·mol-1
ΔGºf
J·mol-1
ΔHºf
J·mol-1
J·mol-1·k-1
CP
J·mol-1·K-1
277.852 173.669 -2529666 -2944700 439.477
Reaction properties

Carnallite ⇌ 3Cl- + K+ + Mg+2 + 6H2O

298.15 K, 1 bar log10K: 4.34 ΔH°r: 9340 J·mol-1
T(°C) 0 25 60 100 150 200 250 300
log10K 4.20 4.34 4.55 4.82 5.16 5.38 5.37 4.87