MgHPO₄

Formula : MgHPO₄

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Dernière mise à jour le 25.01.2021

Individual properties (298.15 K)

M g·mol^-1	V° cm³·mol^-1	ΔGº_f J·mol^-1	ΔHº_f J·mol^-1	Sº J·mol^-1·k^-1	C_P J·mol^-1·K^-1
120.284		-1625723 (Ref.: 70web/rac) Webber M.D., Racz G.J., 1970, Soluble complexes in the systems dicalcium phosphate dihydrate or dimagnesium phosphate trihydrate equilibrated with aqueous salt solutions. Can. J. Soil Sci., 50, 243-253

C_P(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

MgHPO₄ + H⁺ ⇌ Mg⁺² + H₂PO₄^-

298.15 K, 1 bar log₁₀K: -5.82 ΔH°_r: J·mol^-1

T(°C)	0	25	60	100	150	200	250	300
log₁₀K	-5.82	-5.82	-5.82	-5.82	-5.82	-5.82	-5.82	-5.82

log₁₀K(T) = A + B·T + C·T^-1 + D·log₁₀(T) + E·T⁻² (T in Kelvin)

A	B	C	D	E
-5.815494	0.000000	0.000000	0.000000	0.000000