Atomic Emission Spectra Lab Report - Report for Experiment 3 Atomic Emission Spectra Daisha Suggs TA Mikhail Pukhov Introduction The purpose of this lab

Atomic Emission Spectra Lab Report - Report for Experiment...

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Report for Experiment # 3 Atomic Emission Spectra Daisha Suggs TA: Mikhail Pukhov 10/08/19
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Introduction: The purpose of this lab was to observe the colors that a set of elements emit when placed into the fire. Then taking this information, test an unknown containing one of the elements to identify the element’s excited state flame color. Chemical Responsibility: The elements used in this lab were NaCl (sodium chloride), KCl (potassium chloride), SrCl 2 (strontium chloride), BaCl 2 (barium chloride), CaCl 2 (calcium chloride), CuCl 2 (copper (II) chloride), and HCl (hydrogen chloride). NaCl is an irritant. BaCl 2 is toxic by ingestion. CuCl 2 is toxic. HCl is toxic and corrosive. KCl, SrCl 2 , and CaCl 2 have no health-related risks. All plastic
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Unformatted text preview: containers that contained chemicals and all chemicals go into the large beaker labeled Atomic Emission discarded chemicals. Discussion of Results: The lab went relatively smoothly. The only struggle was remembering which sample already completed, so there were multiple trials done for each element. There was no difference in the different trials. In their excited states, NaCl and CaCl 2 have orange flames. KCl has a pink flame. SrCl 2 has a red flame. BaCl 2 has a yellow flame. CuCl 2 has a green flame. The unknown received was unknown X. Conclusion: Unknown X in its excited state displays a yellow flame. BaCl 2 also emits a yellow flame. Therefore, unknown X is most likely BaCl 2 ....
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