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Chemistry, 06.10.2019 17:30 ashleybarrera2000

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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