sodium molybdate

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Properties of substance:

sodium molybdate

Group of substances:

inorganic

Physical appearance:

white crystals

Empirical formula (Hill's system for organic substances):

MoNa₂O₄

Structural formula as text:

Na2MoO4

Molar/atomic mass: 205.92

Melting point (°C):

687

Solubility (g/100 g of solvent):

methyl acetate: insoluble [Ref.]
water: 44 (0°C) [Ref.]
water: 63.9 (10.3°C) [Ref.]
water: 65 (15°C) [Ref.]
water: 69 (50°C) [Ref.]
water: 84 (100°C) [Ref.]

Density:

3.28 (18°C, g/cm³)

Electrode potential:

MoO₄^2- + 4H⁺ + 2e^- → MoO₂ + 2H₂O, E = 0.606 V (water, 25°C)

Surface tension (mN/m):

214 (700°C)
204 (800°C)
195 (900°C)
187 (1000°C)
175 (1200°C)

Standard molar enthalpy (heat) of formation Δ_fH⁰ (298.15 K, kJ/mol):

-1466 (s)

Standard molar Gibbs energy of formation Δ_fG⁰ (298.15 K, kJ/mol):

-1354 (s)

Standard molar entropy S⁰ (298.15 K, J/(mol·K)):

159 (s)

Molar heat capacity at constant pressure C_p (298.15 K, J/(mol·K)):

141.7 (s)

Molar enthalpy (heat) of fusion Δ_fusH (kJ/mol):

LD₅₀ (mg/kg):

250 (rats, )

References:

Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1272
Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1326
Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 164-165 [Russian]
Киргинцев А.Н., Трушникова Л.Н., Лаврентьева В.Г. Растворимость неорганических веществ в воде. - Л.: Химия, 1972. - pp. 228 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 84 [Russian]
Химическая энциклопедия. - Т. 3. - М.: Советская энциклопедия, 1992. - pp. 125 [Russian]
Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 363 [Russian]

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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru

Properties of substance:

sodium molybdate

Group of substances:

Physical appearance:

Empirical formula (Hill's system for organic substances):

Structural formula as text:

Molar/atomic mass: 205.92

Melting point (°C):

Solubility (g/100 g of solvent):

Density:

Electrode potential:

Surface tension (mN/m):

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

Standard molar Gibbs energy of formation ΔfG0 (298.15 K, kJ/mol):

Standard molar entropy S0 (298.15 K, J/(mol·K)):

Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

Molar enthalpy (heat) of fusion ΔfusH (kJ/mol):

LD50 (mg/kg):

References:

Standard molar enthalpy (heat) of formation Δ_fH⁰ (298.15 K, kJ/mol):

Standard molar Gibbs energy of formation Δ_fG⁰ (298.15 K, kJ/mol):

Standard molar entropy S⁰ (298.15 K, J/(mol·K)):

Molar heat capacity at constant pressure C_p (298.15 K, J/(mol·K)):

Molar enthalpy (heat) of fusion Δ_fusH (kJ/mol):

LD₅₀ (mg/kg):