Based on the first picture, answer the question on the second picture. Which of the ff. is equivalent to theoverall concentration of Mg-EDTAnear the endpoint?[Mg2*] [EDTA?][Mg-EDTA]/{[Mg2*] [EDTA²-]}Option 1O Option 2{[Mg2*] [EDTA?-]}/[Mg-EDTA]{[Mg-EDTAJ[Ind? ]}/{[Mg-Ind] [EDTA²-]}Option 3O Option 4 In the analysis for total hardness, formation of Ca-EDTAcomplex in the presence of an magnesium-calmagiteindicator (or Mg-Ind) complex involves the ff. reactions:Ca2*(aq) + EDTA²-(aq) 2 Ca-EDTA (aq) KC-EDTAMg-Ind (aq) = Mg2*(aq) + Ind2-(aq)1/KMg-IndMg2*(aq) + EDTA²-(aq) Mg-EDTA (aq) KMg-EDTAwhere Kca-EDTA, Kmg-Ind and KMg-EDTA are the equilibriumconstants for the complex formation.The over-all concentration of the Mg-EDTA complexnear the endpoint is equal to KMg-EDTA /KMg-Ind-

Answered: Image /qna-images/answer/68d95a6a-7c68-42e5-a234-8dc3e9745cba.jpg

Which of the ff. is equivalent to the overall concentration of Mg-EDTA near the endpoint? [Mg2*] [EDTA?] [Mg-EDTA]/{[Mg2*] [EDTA²-]} Option 1 O Option 2 {[Mg2*] [EDTA?-]}/[Mg-EDTA] {[Mg-EDTA][Ind2 ]}/{[Mg-Ind] [EDTA²-]} Option 3 O Option 4

Which of the ff. is equivalent to the overall concentration of Mg-EDTA near the endpoint? [Mg2] [EDTA?] [Mg-EDTA]/{[Mg2] [EDTA²-]} Option 1 O Option 2 {[Mg2*] [EDTA?-]}/[Mg-EDTA] {[Mg-EDTA][Ind2 ]}/{[Mg-Ind] [EDTA²-]} Option 3 O Option 4

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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