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ChemistryChemistry
20 October, 13:13

Suppose you have a solution that might contain any or all of the following cations: Cu2+, Ag+, Ba2 + and Mn2+. The addition of HBr causes a precipitate form. after the precipitate is separated by filtration, H2SO4 is added to the supernatant liquid, and another precipitate forms.

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  1. 20 October, 16:30
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    Of the given cations, only Ag + forms both an insoluble bromide and sulfate, leading to precipitatoin; therefore, the ion present must be Ag+.
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