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4 solutions

Acid Base Indicators

Q. Indicators are weak acids that are one color in acidic solution and another color In basic solution_ True or False.

Solved • Jul 23, 2019

Acid Base Indicators

Q. Which indicator would be the best to use for a titration between 0.10 M HCl with 0.10 M NaOH? You will probably need to consult the appropriate table in the book. 1. bromothymol blue, color change at pH 6-8 2. thymol blue, color change at pH 2-4 3. alizarin yellow R, color change at pH 10-12 4. methyl red, color change at pH 3-5 5. phenolphthalein, color change at pH 8-10

Solved • Jul 8, 2019

Acid Base Indicators

Q. Why would the indicator methyl red (pka = 5.00) not be usable in the titration of weak acid (pKa= 4.74) and NaOH?

Solved • Apr 5, 2019

Acid Base Indicators

Q. why is it possible to influence the results if the indicator is used in excessive amounts?

Solved • Mar 12, 2019