Pb(H2PO4)2

Formula : Pb(H2PO4)2

Family: 
Phosphates

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
401.174 -2354709 (Ref.: 74nri) Nriagu J.O., 1974. Lead orthophosphates-IV Formation and stability in the environment. Geochimica et Cosmochimica Acta, 38, p. 887 898.
CP(T) = a + b·T + ·c·T-2 (T in Kelvin)
a
J·mol-1·K-1
 b * 103
J·mol-1·K-2
 c * 10-5
J·K·mol-1
 Maier Kelley Ref.
Reaction properties

Pb(H2PO4)2 ⇌ 2H2PO4- + Pb+2

298.15 K, 1 bar log10K: -9.84 ΔH°r: J·mol-1 (Ref.: )
T(°C) 0 25 60 100 150 200 250 300
log10K -9.84 -9.84 -9.84 -9.84 -9.84 -9.84 -9.84 -9.84
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-9.840000 0.000000 0.000000 0.000000 0.000000