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Potassium carbonate

Potassium carbonate (also known as pearl ash or salts of tartar) is a white salt soluble in water which forms a strongly alkaline solution.

Properties

General

Name Potassium carbonate
Chemical formula K CO₃
Appearance White solid

Physical

Formula weight 138.2 amu
Melting point 1164 K (891 °C)
Boiling point Decomposes at ?
Density 2.4 ×10³ kg/m³
Crystal structure ?
Solubility 93.7 g in 100g water

Thermochemistry

Δ_fH⁰_liquid -1123 kJ/mol
Δ_fH⁰_solid -1151 kJ/mol
S⁰_solid 156 J/mol·K

Safety

Ingestion Severe irritation may result. Do not induce vomiting.
Inhalation Acts as an irritant.
Skin Acts as an irritant.
Eyes Acts as an irritant
More info Hazardous Chemical Database
SI units were used where possible. Unless otherwise stated, standard conditions were used.
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