Jump to. 4/12/2018 11:10 AM 6.3/10 Print Calculator -d Periodic Table Question 2

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Jump to. 4/12/2018 11:10 AM 6.3/10 Print Calculator -d Periodic Table Question 23 of 26 IncorrectIncorrect IncorrectIncorrect Sapling Learning A solution containing a mixture of metal cations was treated with dilute HCI and no precipitate formed. Next, H2S was bubbled through the acidic solution. A precipitate formed and was filtered off. Then, the pH was raised to about 8 and H2S was again bubbled through the solution. A precipitate again formed and was filtered off. Finally, the solution was treated with a sodium carbonate solution, which resulted in no precipitation. Which metal ions were definitely present, which were definitely absent, and which may or may not have been present in the orginal mixture? Definitely absent Possibly present Ca2 Zn2* N2* There is a hint available! View the hint by clicking on the bottom divider on the divider bar again to hide the hint Close Previous Give Up &View; Solution Check Answer Next Hint

Explanation / Answer

Definitely absent                                            difinitely present

Ag^+, Hg2^2+,Ca^2+,Mg^2+                              Cu^2+, Hg^2+, Pb^2+, Bi^3+, Sn^4+, Zn^2+, Ni^2+

possible present

K^+, Cr^2+

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