KCl.MgCl₂:6H₂O

Formula : KMgCl₃:6H₂O

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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
277.852	108.870 (Ref.: 78hel/del) Helgeson, H.C., Delany, J.M, Nesbitt, H.W., and Bird, D.K., 1978. Summary and Critique of the Thermodynamic Properties of Rock Forming Minerals: Amer. J. Sci., 278A, 229 pp.	-2529323 (Ref.: 93bal/chr) Balarew C., Christov C., Valyashko V., Petrenko S. (1993) J. Solution Chem., 22, 173-181

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

KCl.MgCl₂:6H₂O ⇌ 3Cl^- + K⁺ + Mg⁺² + 6H₂O

298.15 K, 1 bar log₁₀K: 4.40 ΔH°_r: J·mol^-1

T(°C)	0	25	60	100	150	200	250	300
log₁₀K	4.40	4.40	4.40	4.40	4.40	4.40	4.40	4.40

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

A	B	C	D	E
4.396096	0.000000	0.000000	0.000000	0.000000