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observations.docxobseRvations
The color of the flame is expected to be as follows:
Metallic ion Flame color
Sodium Na+ orange
Strontium Sr2+ Hint of Red
Potassium K+ Light blue
Lead Pb2+ was not provided in Labpaq
Barium Ba2+ Yellow
Copper Cu2+ was not provided in Labpaq
Lithium Li+ Pink
Calcium Ca2+ Hint of orange
Unknown Hint of red
Experiment
IdentIfIcatIon of MetallIc Ions
Cupric Cu(NO3)2 Green
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Questions
A. All chemical used in this test are binary compounds. What portion of the periodic table is responsible for the color observed?
B. In cooking over an open flame, a yellow flame is often observed when some food is spilled into the flame? What is most likely responsible for the yellow flame color?
C. What problems might be associated with using flame color for identification purposes?
D. Explain how the observed col
