Photosynthesis Mini Lab Questions.docx - Photosynthesis...

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Photosynthesis Mini Lab Questions 1. Why does the phenol red change color when we blow bubbles into the tube? Phenol red is an indicator in this experiment. What did it indicate? Because there is now carbon dioxide involved and it will automatically change color based off the CO2 level and a pH lower than 7. 2. How long did it take to observe a color change in the phenol red? What does the color change indicate in terms of the leaf? It took about 15-30 seconds for the color to change. The color changed to pink which
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  • Winter '18
  • pinches
  • 30 seconds, red change color

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