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Report Form Microlab Lab B3-Cations Name: ID#: Date: Complete the following table of observations. Note that you are not required to do all tests to complete the table; just the ones listed in the procedure. Cation HCI (NH4)2CO3 NaOH K2CrO4 Flame Test Ag+ Ca2+ Ba2+ Fe³+ Mg2+ NH4 Na* K+ Unknown Unknown State the "group" that your cation belongs to and identify the cation. Defend your answer with evidence. Group I Agt Group II Ca2+, Ba2+, Fe³+ Group III Mg2+, NH4+, Na+, K+ Unknown Group Cation Evidence to Support Code Identity Identity Your Choice To confirm the presence of sodium or potassium ions it is necessary to use the flame test. Why is it not possible to precipitate these ions by reactions similar to those used to identify barium, silver, etc.?

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