Potassium carbonate dihydrate

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Potassium carbonate dihydrate
Mineralogical name Potassium carbonate dihydrate
Chemical name Potassium carbonate dihydrate
Trivial name
Chemical formula K2CO3•2H2O
Other forms
Crystal system monoclinic
Crystal structure
Deliquescence humidity 20°C 43.1% (10°C), 43.2% (20°C), 43.2% (30°C)
Solubility (g/l) at 20°C 1470 g/l
Density (g/cm³) 2.043 g/cm³
Molar volume 76.67 cm³/mol
Molar weight 174.24 g/mol
Transparency
Cleavage
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments
Crystal Optics
Refractive Indices nx = 1.38
ny = 1.432
nz = 1.573
Birefringence Δ = 0.193
Optical Orientation negative
Pleochroism
Dispersion
Used Literature


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