Explain hcl to an unknown group of ions

Reference no: EM13516121

In a qualitative analysis procedure, a chemist adds HCl to an unknown group of ions and then saturates the solution with H2S so that the solution is 0.2 M in HCl and 0.10 M in H2S.

(a) What is the [HS -] of the solution? (Note: The answer should have one significant figure.)

(b) If 0.01 M of each of the following ions is in the solution, which will form a precipitate? (Select all that apply.)

Cu2+ Mn2+ Pb2+ Ag+ Hg2+ Fe2+ Ni2+ K+

Reference no: EM13516121

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