4) You are given a solution and asked to determine which Group I cations are present in it. Addition of hydrochloric acid results in the formation of a precipitate. The precipitate is washed with hot deionized water. When the filtrate from hot water washing is tested with potassium chromate solution, a precipitate forms. When a solution of ammonia is added to the remaining precipitate from the addition of HCI, the remaining precipitate dissolves. What do you conclude?

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter13: The Chemistry Of Solutes And Solutions
Section: Chapter Questions
Problem 113QRT: A 0.250-M sodium sulfate solution is added to a 0.200-M barium nitrate solution and 0.700 g barium...
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4) You are given a solution and asked to determine which Group I cations are present in
it. Addition of hydrochloric acid results in the formation of a precipitate. The
precipitate is washed with hot deionized water. When the filtrate from hot water
washing is tested with potassium chromate solution, a precipitate forms. When a
solution of ammonia is added to the remaining precipitate from the addition of HCI,
the remaining precipitate dissolves. What do you conclude?
Transcribed Image Text:4) You are given a solution and asked to determine which Group I cations are present in it. Addition of hydrochloric acid results in the formation of a precipitate. The precipitate is washed with hot deionized water. When the filtrate from hot water washing is tested with potassium chromate solution, a precipitate forms. When a solution of ammonia is added to the remaining precipitate from the addition of HCI, the remaining precipitate dissolves. What do you conclude?
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