Fe^3+(aq) + SCN^-(aq) <----> FESCN^2+(aq) Iron(II) thiocyanate is produced. This species can be determined by colorimetric analysis. Standard Solutions Ee(NO,), 0.0020 M (mL) Tube KSCN 0.0020 M (mL) H.O (mL) 3.0 5.0 2.0 0.505 5.0 3.0 2.0 0.369 5.0 4.0 1.0 0.265 5.0 5.0 0.0 0.181 1) Make a standard curve fit for this equation and use it to predict 1for an unknown concentration of FESCN 2+ 1.5104 M? 2) What value for T will you expect to read after the solution is at equilibrium? Keq- 206 Fe 3+ itial concentration: 4.12 10^4M SCN- initial concentration: 0.45 10-4

Fe^3+(aq) + SCN^-(aq) <----> FESCN^2+(aq) Iron(II) thiocyanate is produced. This species can be determined by colorimetric analysis. Standard Solutions Ee(NO,), 0.0020 M (mL) Tube KSCN 0.0020 M (mL) H.O (mL) 3.0 5.0 2.0 0.505 5.0 3.0 2.0 0.369 5.0 4.0 1.0 0.265 5.0 5.0 0.0 0.181 1) Make a standard curve fit for this equation and use it to predict 1for an unknown concentration of FESCN 2+ 1.5104 M? 2) What value for T will you expect to read after the solution is at equilibrium? Keq- 206 Fe 3+ itial concentration: 4.12 10^4M SCN- initial concentration: 0.45 10-4

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter20: Applications Of Oxidation/reduction Titrations

Section: Chapter Questions

Problem 20.26QAP

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