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28 Sep 2019
Which of the following statements concerning the separation of metal ions into Analytical Groups I-V is/are correct?
1. Only the least soluble sulfides will precipitate in an acidic solution of H2S. 2. K+ and Na+ are precipitated in the last step of the separation scheme. 3.The formation of a precipitate with the addition of dilute HCl(aq) indicates the original solution contains all of the ions of Analytical Group I (the ions which precipitate as chlorides).
1 only
2 only
3 only
1 and 2
1, 2, and 3
Which of the following statements concerning the separation of metal ions into Analytical Groups I-V is/are correct?
| 1. | Only the least soluble sulfides will precipitate in an acidic solution of H2S. | |
| 2. | K+ and Na+ are precipitated in the last step of the separation scheme. | |
| 3.The formation of a precipitate with the addition of dilute HCl(aq) indicates the original solution contains all of the ions of Analytical Group I (the ions which precipitate as chlorides). 1 only 2 only 3 only 1 and 2 1, 2, and 3 |
Deanna HettingerLv2
28 Sep 2019
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