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[ÇóÖú] SrSO4£¬ZnSÎïÖÊÈÛµã

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Properties
Molecular formula        SrSO4
Molar mass        183.68 g/mol
Appearance        white orthorhombic crystals
Density        3.96 g/cm3
Melting point       
1606 ¡ãC, 1879 K, 2923 ¡ãF
Solubility in water        0.0135 g/100 mL (25 ¡ãC)
0.014 g/100 mL (30 ¡ãC)
Solubility product, Ksp        3.44 x 10-7
Solubility        insoluble in ethanol, alkalis
slightly soluble in acids
Refractive index (nD)        1.622 [2]
Structure
Crystal structure        Orthorhombic, oP24
Space group        Pnma, No. 62
Thermochemistry
Std enthalpy of
formation ¦¤fHo298        -1453.1 kJ¡¤mol-1
Standard molar
entropy So298        117.0 J¡¤mol-1¡¤K-1
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