Mercallite

Formula : KHSO4

Space group: 
Orthorhombic - Dipyramidal HM symbol (2/m 2/m 2/m) Space Group: P bca
Dana class: 
28.1.1.1VI- 28 Sulfate Minerals ; 28.1 Anhydrous Acid and Sulfates (Anhydrous, Acid) ; 26.7.2

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
136.170 58.400 -1034505 -1160890 148.482 183.91
Reaction properties

Mercallite ⇌ K+ + SO4-2 + H+

298.15 K, 1 bar log10K: -1.40 ΔH°r: -590 J·mol-1
T(°C) 0 25 60 100 150 200 250 300
log10K -1.49 -1.40 -1.54 -1.90 -2.54 -3.37 -4.38 -5.70