Hand writing soln only. 8. An indicator with Ka = 6.45 X 105 is yellow in acid and blue in base. Showing acalculation for the ratio of [In]/[HIn] and indicate the color you expect for each.a. A solution of 0.125 M HCI.b. A solution of 0.125 M NaC,H3O2 (Ka HC2H302 = 1.80 X 105)%3Dc. A solution of 0.125 M KOHd. A solution of 0.125 M NH3 (Kb NH3 = 1.80 X 105)e. The equivalence point of a titration of the solution in (b) with and equal concentrationof HCI (aq).

In indicator is a substance which is used to detect the equivalence point of an acid base titration…

8. An indicator with Ka = 6.45 X 10-5 is yellow in acid and blue in base. Showing a calculation for the ratio of [In ]/[HIn] and indicate the color you expect for each. a. A solution of 0.125 M HCl. b. A solution of 0.125 M NaC2H3O2 (Ka HC2H3O2 = 1.80 X 105) c. A solution of 0.125 M KOH d. A solution of 0.125 M NH3 (Kp NH3 = 1.80 X 105) %3D

8. An indicator with Ka = 6.45 X 10-5 is yellow in acid and blue in base. Showing a calculation for the ratio of [In ]/[HIn] and indicate the color you expect for each. a. A solution of 0.125 M HCl. b. A solution of 0.125 M NaC2H3O2 (Ka HC2H3O2 = 1.80 X 105) c. A solution of 0.125 M KOH d. A solution of 0.125 M NH3 (Kp NH3 = 1.80 X 105) %3D

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter15: Acid-base Equilibria

Section: Chapter Questions

Problem 9RQ: What is an acidbase indicator? Define the equivalence (stoichiometric) point and the end point of a...

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What is an acidbase indicator? Define the equivalence (stoichiometric) point and the end point of a titration. Why should you choose an indicator so that the two points coincide? Do the pH values of the two points have to be within 0.01 pH unit of each other? Explain.
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