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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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tlcp8 tlcp8
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6 years ago
A precipitate forms when a solution that is 0.10 M in Cu2+, Pb2+, and Ni2+ is saturated with H2S and adjusted to pH = 1. What sulfides are present in the precipitate?
  H2S = 0.10 M; for H2S, Ka1  Ka2 = 1.1  1024
  Ksp: CuS = 8.5  1045, PbS = 7.0  1029, NiS = 3.0  1021
   
  a.
  CuS, PbS, and NiS
   
  b.
  PbS and NiS
   
  c.
  NiS
   
  d.
  CuS and PbS
   
  e.
  CuS
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haydenpchaydenpc
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6 years ago Edited: 2 years ago, bio_man
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