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(Solved): ~~5. a. What color did the indicator turn after the tube was placed under a light source for 30 minutes? (2 points) ...


~~5. a. What color did the indicator turn after the tube was placed under a light source for 30 minutes? (2 points) 



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~~5.

a. What color did the indicator turn after the tube was placed under a light source for 30 minutes? (2 points) 


After the tube was placed under a light source for 30 minutes, phenol red turned to red (its original color). 


b. Why did this occur? (3 points)


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