Chemistry, 17.12.2019 19:31 huntbuck14
Asolution contains some or all of the ions cu2+,al3+, k+,ca2+, ba2+,pb2+, and nh4+. the following tests were performed, in order, on the solution.1. addition of 6 m hcl produced no reaction.2. addition of h2s with 0.2 m hcl produced a black solid.3. addition of (nh4)2s produced a white solid.4. addition of (nh4)2hpo4 in nh3 produced no reaction.5. the final supernatant when heated produced a purple flame. identify which of these ions were present in the solution (p), which were absent (a), and which were inconclusive (i)a. cu2+b. al3+c. k+d. ca2+e. ba2+f. pb2+g. nh4+
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Asolution contains some or all of the ions cu2+,al3+, k+,ca2+, ba2+,pb2+, and nh4+. the following te...
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