KPO4-2

Formula : KPO4-2

Dernière mise à jour le 25.01.2021

THERMODYNAMICS

Individual properties (298.15 K)
M
g·mol-1
 V°
cm3·mol-1
 ΔGºf
J·mol-1
 ΔHºf
J·mol-1
 Sº
J·mol-1·k-1
 CP
J·mol-1·K-1
134.070 -1315433 (Ref.: 97smi/mar) Smith R. M., Martell A. E., and Motekaitis R. J. (1997) NIST Critically Selected Stability Constants of Metal Complexes Database, Version 4.0. NIST Standard Reference Database 46. U.S. Department of Commerce
HKF coefficients
a1·10
J·mol-1·bar-1
 a2·10-2
J·mol-1
 a3
J·K·mol-1·bar-1
 a4·10-4
J·K·mol-1
 c1
J·mol-1·K-1
 c2·10-4
J·K·mol-1
 ω·10-5
J·mol-1
Reaction properties

K+ + H2PO4- ⇌ KPO4-2 + 2H+

298.15 K, 1 bar log10K: -18.26 ΔH°r: J·mol-1 (Ref.: )
T(°C) 0 25 60 100 150 200 250 300
log10K -18.26 -18.26 -18.26 -18.26 -18.26 -18.26 -18.26 -18.26
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-18.260000 0.000000 0.000000 0.000000 0.000000