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3 Tea Candles 4 Medicine cups Distilled Water Sodium Chlorid

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3 Tea Candles 4 Medicine cups Distilled Water Sodium Chloride (TableSalt) Solution, NaCl Magnesium Sulfate (Epson salt) solution, MgSO4 Calcium Carbonate (Antacid Tablet) solution, CaCO3 Potassium Hydrogen Tartrate (Cream of Tarter) Solution, KC4H5O6 4 prepared inoculating Loops using paperclips (wooden stirrers will work as alternative,1. Place a small amount of the household solid compounds in the separate medicine cups to create the solutions to use for the flame tests. Add 5-10 mL of distilled water to each of the medicine cups. 2. Prepare the inoculating loops (see Figure 1) or obtain wooden stirrers to test the solutions. ?abSim, Byrnes, 2021 Materials 3 Tea Candles 4 Medicine cups Distilled Water Sodium Chloride (Table Salt) Solution, NaCl Magnesium Sulfate (Epson salt) solution, MgSO4 Calcium Carbonate (Antacid Tablet) solution, CaCO3 Potassium Hydrogen Tartrate (Cream of Tarter) Solution, KC4H5O6 4 prepared inoculating Loops using paperclips (wooden stirrers will work as alternative) Figure 1: Prepared Inoculating Loop using Paperclip. 3. Stabilize the tea candle. The candle should stand freely and vertically. The other two candles are to be used if the first one burns down before all the solutions have been tested. 4. Use the matches to light the stabilized tea candle. Hold the inoculating loop or wooden stirrer for the first household product at the very end of the non-looped end in order to avoid burns. Heat the looped end in the candle flame until its loop is faintly glowing and coat has been burned off. CAUTION: Lit matches and candles can cause fire or burns to skin and/or clothing if the flame comes into contact with skin or clothes. Be sure you have your safety glasses on! 5. Dip the loop into the first solution. CAUTION: The loop will remain extremely hot for several minutes following being in the flame. Do not touch the loop! 6. Bring the looped end of the inoculating loop into the flame. Make observations about ?abSim, Byrnes, 2021 Figure 2: Experiment set-up and flame technique. what is happening, especially any color changes. Hint: The color change will be most apparent around the edges of the flame. You may have to try this a few times to see the color change. 7. Include an image of the experiment in the lab report photo documentation for the flame result. 8. Extinguish the candle and record your observations. 9. Repeat the Steps 4 – 7 for each of the other three solutions. Use a different inoculating loop for each one.ScienceChemistryCHEMISTRY 111

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