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A solution containing a mixture of metal cations was treated as outlined. 1. Dilute HCl was added and a precipitate formed. The precipitate was filtered off. 2. H₂S was bubbled through the acidic solution. No precipitate formed. 3. The pH was raised to about 9 and H₂S was again bubbled through the solution. A precipitate formed and was filtered off. 4. Finally, sodium carbonate was added to the filtered solution. A precipitate formed and was filtered off. What can be said about the presence of each of these groups of cations in the original solution? Cation group Ag+, Pb²+, Hg2+ Bi³ +, Cd²+, Cu²+, Hg²+, Pb²+, Sb³ +, Sn²+, Sn4+ Al³+, Co²+, Cr³+, Fe²+, Fe³+, Ni²+, Mn²+, Zn²+ Ba²+, Ca²+, Mg2+, Sr² + Li+, Na+, K+, NH Description form insoluble chlorides form acid-insoluble sulfides form base-insoluble sulfides or hydroxides form insoluble carbonates completely soluble Present in the original solution?

A solution containing a mixture of metal cations was treated as outlined. 1. Dilute HCl was added and a precipitate formed. The precipitate was filtered off. 2. H₂S was bubbled through the acidic solution. No precipitate formed. 3. The pH was raised to about 9 and H₂S was again bubbled through the solution. A precipitate formed and was filtered off. 4. Finally, sodium carbonate was added to the filtered solution. A precipitate formed and was filtered off. What can be said about the presence of each of these groups of cations in the original solution? Cation group Ag+, Pb²+, Hg2+ Bi³ +, Cd²+, Cu²+, Hg²+, Pb²+, Sb³ +, Sn²+, Sn4+ Al³+, Co²+, Cr³+, Fe²+, Fe³+, Ni²+, Mn²+, Zn²+ Ba²+, Ca²+, Mg2+, Sr² + Li+, Na+, K+, NH Description form insoluble chlorides form acid-insoluble sulfides form base-insoluble sulfides or hydroxides form insoluble carbonates completely soluble Present in the original solution?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A solution containing a mixture of metal cations was treated as outlined. 1. Dilute HCl was added and a precipitate formed. The precipitate was filtered off. 2. H₂S was bubbled through the acidic solution. No precipitate formed. 3. The pH was raised to about 9 and H₂S was again bubbled through the solution. A precipitate formed and was filtered off. 4. Finally, sodium carbonate was added to the filtered solution. A precipitate formed and was filtered off. What can be said about the presence of each of these groups of cations in the original solution? Cation group Ag+, Pb²+, Hg2+ 2 Bi³ +, Cd²+, Cu²+, Hg² +, Pb²+, Sb³ +, Sn²+, Sn4+ Al³+, Co²+, Cr³+, Fe²+, Fe³+, Ni²+, Mn²+, ₁²+. Zn²+ Ba²+, Ca²+, Mg²+, Sr² + Li+, Na+, K+, NH+ Description form insoluble chlorides form acid-insoluble sulfides form base-insoluble sulfides or hydroxides form insoluble carbonates completely soluble Present in the original solution?
Transcribed Image Text:A solution containing a mixture of metal cations was treated as outlined. 1. Dilute HCl was added and a precipitate formed. The precipitate was filtered off. 2. H₂S was bubbled through the acidic solution. No precipitate formed. 3. The pH was raised to about 9 and H₂S was again bubbled through the solution. A precipitate formed and was filtered off. 4. Finally, sodium carbonate was added to the filtered solution. A precipitate formed and was filtered off. What can be said about the presence of each of these groups of cations in the original solution? Cation group Ag+, Pb²+, Hg2+ 2 Bi³ +, Cd²+, Cu²+, Hg² +, Pb²+, Sb³ +, Sn²+, Sn4+ Al³+, Co²+, Cr³+, Fe²+, Fe³+, Ni²+, Mn²+, ₁²+. Zn²+ Ba²+, Ca²+, Mg²+, Sr² + Li+, Na+, K+, NH+ Description form insoluble chlorides form acid-insoluble sulfides form base-insoluble sulfides or hydroxides form insoluble carbonates completely soluble Present in the original solution?
Answer Bank unknown None of these ions were present. All of these ions were present. At least one of these ions was present.
Transcribed Image Text:Answer Bank unknown None of these ions were present. All of these ions were present. At least one of these ions was present.
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