Chemistry, 21.03.2020 03:24 edmundg2238
To your unknown you add HCl to precipitate the Group A ions (Ag and Hg). This precipitate is removed and NH3 is added to it to redissolve the Ag and check for the presence of Hg. From the picture below which was taken right after the NH3 was added, please select a choice that best represents what you are seeing.
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To your unknown you add HCl to precipitate the Group A ions (Ag and Hg). This precipitate is removed...
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