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PoinsettiaPower

PoinsettiaPower - solution Allow filter paper to dry 5...

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Poinsettia Power Chemical Concepts: indicators pH Materials: poinsettia flowers 600 mL beaker hot plate filter paper .1 M HCl vinegar baking soda solution ( 2 g / 200 mL water) .1 M NaOH scissors funnel toothpicks 4 watch glasses Procedure: 1. Cut flower petals into strips allowing pieces to fall in beaker.  Do not handle cut flower pieces. 2. Add 10 mL water.   Simmer until color is removed from flower petals. 3. Filter into plastic storage bottle. 4. Place clean filter papers on a tray or in petri dishes.  Saturate filter paper with the poinsettia 
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Unformatted text preview: solution. Allow filter paper to dry. 5. Place small amounts of each solution in a different watch glass. 6. Using a toothpick, dip in the solution and draw a holiday object on the filter paper. Safety: Check the MSDS for precautions and disposal. Adapted from The Center for Applied Research in Education, 1994...
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