Copper(II) Sulfide
CuS Molar Mass Conversion in Batch
Elem.
Name
Atomic Mass
(g/mol)
Total
Mass Percentage
Cu
Copper
63.546
1
66.463%
S
Sulfur
32.065
1
33.537%
Example Reactions:
• Na2S + Cu(NO3)2 = 2NaNO3 + CuS
• H2S + CuCl2 = CuS + 2HCl
• CuCl2 + Na2S = CuS + 2NaCl
• CuCl2 + K2S = CuS + 2KCl
• CuSO4 + Na2S = CuS + Na2SO4
• Cu(NO3)2 + (NH4)2S = CuS + 2NH4NO3
• Ag2S + CuCl2 = 2AgCl↓ + CuS
• CuS + CuSO4 = 2Cu + 2SO2
• CuSO4 + (NH4)2S = CuS + (NH4)2SO4
• Li2S + CuBr2 = 2LiBr + CuS