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Design a qualitative analysis scheme that will be used to calculate which cations are present in a solution containing only four of the subsequent cations: Pb²⁺, Ag⁺, Zn²⁺, Al³⁺, Bi³⁺, Fe³⁺, Ni²⁺, or Ba²⁺. We are to make 2 different charts, one with NH³ as the initial reagent and NaOH as the other initial reagent.

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