Please answer the second multiple choice. When the potential a half reaction was measured against a Ag|AgCl reference electrode, thepotential was found to be –-0.548 V. What would the potential when the same half reaction wasmeasured against a S.C.E. reference electrode?a. -0.592 Vb. 0.592 Vc. -0.351 Vd. 0.504 Ve. -0.504 VWhen using EDTA to determine metal ion concentration in a solution, what is the best way toovercome a slow equilibrium between the metal ion analyte and EDTA?a. Use a masking agent.b. Use an auxiliary complexing agent.c. Perform a displacement titration.d. Perform an indirect titration.e. Perform a back titration.

Masking agent is used to protect some component of the analyte from the reaction with EDTA and thus…

When using EDTA to determine metal ion concentration in a solution, what is the best way to overcome a slow equilibrium between the metal ion analyte and EDTA? a. Use a masking agent. b. Use an auxiliary complexing agent. Perform a displacement titration. с. d. Perform an indirect titration. е. Perform a back titration.

When using EDTA to determine metal ion concentration in a solution, what is the best way to overcome a slow equilibrium between the metal ion analyte and EDTA? a. Use a masking agent. b. Use an auxiliary complexing agent. Perform a displacement titration. с. d. Perform an indirect titration. е. Perform a back titration.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter21: Potentiometry

Section: Chapter Questions

Problem 21.28QAP

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Question

Please answer the second multiple choice.

When the potential a half reaction was measured against a Ag|AgCl reference electrode, the
potential was found to be –-0.548 V. What would the potential when the same half reaction was
measured against a S.C.E. reference electrode?
a. -0.592 V
b. 0.592 V
c. -0.351 V
d. 0.504 V
e. -0.504 V
When using EDTA to determine metal ion concentration in a solution, what is the best way to
overcome a slow equilibrium between the metal ion analyte and EDTA?
a. Use a masking agent.
b. Use an auxiliary complexing agent.
c. Perform a displacement titration.
d. Perform an indirect titration.
e. Perform a back titration.

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