A 50.0 mt of basic solute (K, 158 x 10 ) is titrated with a 25.0 ml of 0.100 M HCI solution. Which of the following indicators would be best for this titration? Indicator pKa 3 46 methyl orange methyl red bromocreol purple bromthymol blue thymol blue phenolpthalein 5.00 6.12 7.10 8.90 9.10 Bromocresol purple Methyl orange O Phenolpthalein Methyl red Bromthymol blue

A 50.0 mt of basic solute (K, 158 x 10 ) is titrated with a 25.0 ml of 0.100 M HCI solution. Which of the following indicators would be best for this titration? Indicator pKa 3 46 methyl orange methyl red bromocreol purple bromthymol blue thymol blue phenolpthalein 5.00 6.12 7.10 8.90 9.10 Bromocresol purple Methyl orange O Phenolpthalein Methyl red Bromthymol blue

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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A 25.00 mL solution of 0.100 M HCl and 25.00 mL 0.100 M CH3COOH were analyzed by direct potentiometry and potentiometric titration. Which of the following statements is true? Direct potentiometry will give equal concentrations of [H+] in the HCl and in the CH3COOH. Direct potentiometry will give different concentrations of [H+] in the HCl and in the CH3COOH. Potentiometric titration will give equal volumes of 0.100 M NaOH to reach the EP for the separate titration of the HCl and CH3COOH solutions. Potentiometric titration will give different volumes of 0.100 M NaOH to reach the EP for the separate titration of the HCl and CH3COOH solutions. a.I and III b. III only c. II and III d. I and IV
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