Leonite

Formula : K2Mg(SO4)2:4H2O

Space group: 
Monoclinic - Prismatic HM symbol (2/m) Space Group: C 2/m
Dana class: 
29.3.3.3VI- 29 Hydrated Acid and Sulfates ; 29.3 Hydrated Acid and Sulfates where (A+)2 B (XO4)2 . x(H2O) ; 29.3.3

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
366.690 166.600 -3479682 -3948570 407.113
Reaction properties

Leonite ⇌ 2K+ + Mg+2 + 2SO4-2 + 4H2O

298.15 K, 1 bar log10K: -3.98 ΔH°r: 15290 J·mol-1
T(°C) 0 25 60 100 150 200 250 300
log10K -4.28 -3.98 -3.74 -3.58 -3.53 -3.71 -4.24 -5.44