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A student performing this lab experiment receives his unknown solution that may contain ( Ba, Ca, and Mg ). And begins to conduct tests to identify the cations present in the unknown solution. Based on the following observation 1) When the unknown solution was treated with K,Cro,, yellow precipitate was formed. 2) The resulting solution from step 1 was basified with 6M NH, before the addition of aqueous K,C,0, which forms a white precipitate. 3) To the resulting solution from step 2, was treated with ammonia and of Na,HPO, A white precipitate was formed after heating the solution for 10 minutes at 60°C. Which cations were present in the student's unknown solution? Select one or more: 2+ Са 2+ Mg 2+ Ba

A student performing this lab experiment receives his unknown solution that may contain ( Ba, Ca, and Mg ). And begins to conduct tests to identify the cations present in the unknown solution. Based on the following observation 1) When the unknown solution was treated with K,Cro,, yellow precipitate was formed. 2) The resulting solution from step 1 was basified with 6M NH, before the addition of aqueous K,C,0, which forms a white precipitate. 3) To the resulting solution from step 2, was treated with ammonia and of Na,HPO, A white precipitate was formed after heating the solution for 10 minutes at 60°C. Which cations were present in the student's unknown solution? Select one or more: 2+ Са 2+ Mg 2+ Ba

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section: Chapter Questions
Problem 112IL
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2+ 2+ 2+ A student performing this lab experiment receives his unknown solution that may contain ( Ba, Ca and Mg). And begins to conduct tests to identify the cations present in the unknown solution. Based on the following observation 1) When the unknown solution was treated with K,Cro,, yellow precipitate was formed. 2) The resulting solution from step 1 was basified with 6M NH, before the addition of aqueous K,C,0, which forms a white precipitate. 3) To the resulting solution from step 2, was treated with ammonia and of Na,HPO, A white precipitate was formed after heating the solution for 10 minutes at 60°C. Which cations were present in the student's unknown solution? Select one or more: 2+ Ca 2+ Mg 2+ Ва
Transcribed Image Text:2+ 2+ 2+ A student performing this lab experiment receives his unknown solution that may contain ( Ba, Ca and Mg). And begins to conduct tests to identify the cations present in the unknown solution. Based on the following observation 1) When the unknown solution was treated with K,Cro,, yellow precipitate was formed. 2) The resulting solution from step 1 was basified with 6M NH, before the addition of aqueous K,C,0, which forms a white precipitate. 3) To the resulting solution from step 2, was treated with ammonia and of Na,HPO, A white precipitate was formed after heating the solution for 10 minutes at 60°C. Which cations were present in the student's unknown solution? Select one or more: 2+ Ca 2+ Mg 2+ Ва
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