1. Why do the preliminary tests not help in the identification of nitrate ion? 2. A student analyzes a sample using the preliminary tests and finds that no precipitate is obtained upon the addition of silver ion but a precipitate is observed on the addition of barium ion. Which individual ion tests should be used to determine the anions present in this sample? 3. In the preliminary tests 3 M HNO, is added to the precipitate of the silver group. If a yellow precipitate remains, what ion is probably present? 4. Why can't a fresh sample of unknown solution be used for the individual ion test for sulfite?
1. Why do the preliminary tests not help in the identification of nitrate ion? 2. A student analyzes a sample using the preliminary tests and finds that no precipitate is obtained upon the addition of silver ion but a precipitate is observed on the addition of barium ion. Which individual ion tests should be used to determine the anions present in this sample? 3. In the preliminary tests 3 M HNO, is added to the precipitate of the silver group. If a yellow precipitate remains, what ion is probably present? 4. Why can't a fresh sample of unknown solution be used for the individual ion test for sulfite?
Chapter4: Types Of Chemical Reactions And Solution Stoichiometry
Section: Chapter Questions
Problem 61E: A 100.0-mL aliquot of 0.200 M aqueous potassium hydroxide is mixed with 100.0 mL of 0.200 M aqueous...
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