Prepare a solution...?
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Prepare a solution containing both K+ and Na+ in which [K+] : [Na+] is > 1. Similarly, prepare a second solution in which [Na+] : [K+] is > 1. Do a flame test on each. 2.1. Describe the preparation of each solution. 2.2. Describe flame test results. Can K+ be identified in the presence of Na+ by flame testing? How about Na+ in the presence of K+? Base it on your results. ---How would you prepare such solutions?
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Answer:
This is just bucket chemistry. If I assume I'm starting with KCl and NaCl crystals and dissolving them in water. just blitz with one ionic solid or the other. A 10:1 ratio of either ionic compound will guarantee you have more of one than the other.
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