NaHPO4-

Formula : NaHPO4-

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
118.969 -1362916 (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 -1508000 (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 146.761 (Ref.: Internal calculation)
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

Na+ + H2PO4- ⇌ NaHPO4- + H+

298.15 K, 1 bar log10K: -6.34 ΔH°r:34940 J·mol-1 (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
T(°C) 0 25 60 100 150 200 250 300
log10K -6.90 -6.34 -5.70 -5.14 -4.60 -4.15 -3.71 -3.16
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
896.138114 0.132958 -50616.440077 -324.699049 2764177.758189