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Answer to Question #116441 in Chemistry for Areeb
Question #116441
Indicator - Thymol Blue, Phenol Red, Alizarin Yellow
Colour Observed - Blue, Red, Yellow
A solution of unknown [H3O+] is mixed several indicators and the results are shown: What is the approximate pH range of the solution?
Colour Observed - Blue, Red, Yellow
A solution of unknown [H3O+] is mixed several indicators and the results are shown: What is the approximate pH range of the solution?
Expert's answer
Thymol Blue has blue color at the pH range 9.6 - 14.0
Phenol Red has red colour at the pH range 8.0 - 14.0
Alizarin Yellow has yellow colour at the pH range 1.0 - 10.0
The approximate pH range of the solution is 9.6 - 10.0
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