Exercise Precipitation titration is a volumetric method based upon the formation ofslightly soluble Precipitate:AgNO3(aq) + NaCl(aq)AgCl(s)Construct a titration curve by plotting pAg vs. VAgNO3 added.VAgNO3 (ml) [Ag"]_pAg"0.0510.01520253035404550Hints:(a) Before equivalence point:Ag* (aq) + C (aq)[CI]=[NaCl] =[Ag*] =titrant: AgNO,, 0.IManalyte: NaC1, 0.05M, 50 ml.[NaCl]*V Nact-[AgNO,]*VANO,+V AgNO,V NaciKsp = 1.6* 10-10sp[CI](b) At equivalence point (moles of AgNO3 = moles of NaCl): [Ag*] =√√ksp(c) After the equivalence point:[Ag] =K[AgNO3]*V AgNO,50+VAgNO,(d) pAg = -log[Ag*](e) Set the values of K sp, [NaC1], VNaci and [AgNO3] as reference cell.

Clearly, in the titration, the equivalence point will come when VAgNO3×[AgNO3] = VNaCl×[NaCl]…

Answered: Construct a titration curve by plotting…

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Construct a titration curve by plotting pAg* VS. VARNO, added.

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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Question

Exercise Precipitation titration is a volumetric method based upon the formation of
slightly soluble Precipitate:
AgNO3(aq) + NaCl(aq)
AgCl(s)
Construct a titration curve by plotting pAg vs. VAgNO3 added.
VAgNO3 (ml) [Ag"]_pAg"
0.0
5
10.0
15
20
25
30
35
40
45
50
Hints:
(a) Before equivalence point:
Ag* (aq) + C (aq)
[CI]=[NaCl] =
[Ag*] =
titrant: AgNO,, 0.IM
analyte: NaC1, 0.05M, 50 ml.
[NaCl]*V Nact-[AgNO,]*VANO,
+V AgNO,
V Naci
Ksp = 1.6* 10-10
sp
[CI]
(b) At equivalence point (moles of AgNO3 = moles of NaCl): [Ag*] =√√ksp
(c) After the equivalence point:
[Ag] =
K
[AgNO3]*V AgNO,
50+V
AgNO,
(d) pAg = -log[Ag*]
(e) Set the values of K sp, [NaC1], VNaci and [AgNO3] as reference cell.

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