Na2P2O7-2

Formula : Na2P2O7-2

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
219.923 -2483327 (Ref.: 76smi/mar) Smith R.M., Martell A.E., 1976, Critical stability constants, Vol. 4: Inorganic complexes. Plenum, New York, 257 p.
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

2Na+ + 2H2PO4- ⇌ Na2P2O7-2 + H2O + 2H+

298.15 K, 1 bar log10K: -13.62 ΔH°r: J·mol-1 (Ref.: )
T(°C) 0 25 60 100 150 200 250 300
log10K -13.62 -13.62 -13.62 -13.62 -13.62 -13.62 -13.62 -13.62
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-13.620000 0.000000 0.000000 0.000000 0.000000