Suppose hydrogen sulfide is added to a solution that is 0.10 M in Cu²⁺,Pb²⁺,and Ni²⁺ such that the concentration of H₂S is 0.10 M.When the pH of the solution is adjusted to 1.00,a precipitate forms.What is the composition of the precipitate?
H₂S(aq) + 2H₂O(l)
2H₃O⁺(aq) + S^2-(aq) ; K_c = 1.1 × 10^-20
Salt
K_sp
CuS
6) 0 × 10^-36
PbS
2) 5 × 10^-27
NiS
3) 0 × 10^-19

Question

Suppose hydrogen sulfide is added to a solution that is 0.10 M in Cu²⁺,Pb²⁺,and Ni²⁺ such that the concentration of H₂S is 0.10 M.When the pH of the solution is adjusted to 1.00,a precipitate forms.What is the composition of the precipitate?
H₂S(aq) + 2H₂O(l)

Suppose hydrogen sulfide is added to a solution that is 0.10 M in Cu<sup>2+</sup>,Pb<sup>2+</sup>,and Ni<sup>2+</sup> such that the concentration of H<sub>2</sub>S is 0.10 M.When the pH of the solution is adjusted to 1.00,a precipitate forms.What is the composition of the precipitate? H<sub>2</sub>S(aq) + 2H<sub>2</sub>O(l) 2H<sub>3</sub>O<sup>+</sup>(aq) + S<sup>2-</sup>(aq) ; K<sub>c</sub> = 1.1 × 10<sup>-20</sup> Salt K<sub>sp</sub> CuS 6) 0 × 10<sup>-36</sup> PbS 2) 5 × 10<sup>-27</sup> NiS 3) 0 × 10<sup>-19</sup> A) CuS only B) PbS and NiS C) CuS and PbS D) NiS only E) CuS,PbS,and NiS

2H₃O⁺(aq) + S^2-(aq) ; K_c = 1.1 × 10^-20
Salt
K_sp
CuS
6) 0 × 10^-36
PbS
2) 5 × 10^-27
NiS
3) 0 × 10^-19

Quizplus · Accepted Answer

The Answer of Suppose hydrogen sulfide is added to a solution that is 0.10 M in Cu²⁺,Pb²⁺,and Ni²⁺ such that the concentration of H₂S is 0.10 M.When the pH of the solution is adjusted to 1.00,a precipitate forms.What is the composition of the precipitate? H₂S(aq)+ 2H₂O(l) 2H₃O⁺(aq)+ S^2-(aq); K_c = 1.1 × 10^-20 Salt K_sp CuS 6)0 × 10^-36 PbS 2)5 × 10^-27 NiS 3)0 × 10^-19 A)CuS only B)PbS and NiS C)CuS and PbS D)NiS only E)CuS,PbS,and NiS

Suppose Hydrogen Sulfide Is Added to a Solution That Is