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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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