Explain an aqueous solution contains metal cations

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Reference no: EM13661415

An aqueous solution contains metal cations from qualitative analysis from group 1, 2, 3, 4, and 5. While adding H2S in NH3/NH4Cl buffer will cause metal cations from group(S) ............. to precipitate.
A) 3.
B) 2, 3.
C) 4, 5.
D) 1, 2, and 3.
E) 3 and 4.

Reference no: EM13661415

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