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Properties of PbS

Properties of PbS (Lead(II) sulfide):

Compound NameLead(II) sulfide
Chemical FormulaPbS
Molar Mass239.265 g/mol

Chemical structure
PbS (Lead(II) sulfide) - Chemical structure
Lewis structure
3D molecular structure
Physical properties
AppearanceBlack
Solubility2.6 g/100mL
Density7.6000 g/cm³
Helium 0.0001786
Iridium 22.562
Melting1,113.00 °C
Helium -270.973
Hafnium carbide 3958
Boiling1,281.00 °C
Helium -268.928
Tungsten carbide 6000
Thermochemistry
Heat Capacity49.50 J/(mol·K)
Boron nitride 19.7
Hentriacontane 912
Enthalpy of Formation-100.40 kJ/mol
Adipic acid -994.3
Tricarbon 820.06
Standard Entropy91.20 J/(mol·K)
Ruthenium(III) iodide -247
Chlordecone 764

Alternative Names

Plumbous sulfide
Galena, Sulphuret of lead

Elemental composition of PbS
ElementSymbolAtomic weightAtomsMass percent
LeadPb207.2186.5985
SulfurS32.065113.4015
Mass Percent CompositionAtomic Percent Composition
Pb: 86.60%S: 13.40%
Pb Lead (86.60%)
S Sulfur (13.40%)
Pb: 50.00%S: 50.00%
Pb Lead (50.00%)
S Sulfur (50.00%)
Mass Percent Composition
Pb: 86.60%S: 13.40%
Pb Lead (86.60%)
S Sulfur (13.40%)
Atomic Percent Composition
Pb: 50.00%S: 50.00%
Pb Lead (50.00%)
S Sulfur (50.00%)
Identifiers
CAS Number1314-87-0
SMILES[Pb]=S
Hill formulaPbS

Related compounds
FormulaCompound name
PbS2Lead(IV) sulfide

Sample reactions for PbS
EquationReaction type
PbS + O2 = PbO + SO2double replacement
PbS + H2O2 = PbSO4 + H2Odouble replacement
PbS + PbO = Pb + SO2double replacement
PbS + PbSO4 = Pb + SO2double replacement
PbS + HCl = PbCl2 + H2Sdouble replacement

Related
Molecular weight calculator
Oxidation state calculator

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