The extent of corrosion in the steel reinforcing rods (rebar) of concrete is measured by the galvanic cell shown in the diagram of the instrument. The half-cell of the probe is usually a AgCl/Ag redox couple: AgCl + e– --> Ag + Cl– (1.0 M) E = +0.23 V Corrosion is said to be severe if the cell potential is measured at greater than 0.41 V. Under these conditions, what is the iron(II) concentration on the rebar? See Nernst Equation. Fe2+ + 2 e– --> Fe E = –0.44 V
The extent of corrosion in the steel reinforcing rods (rebar) of concrete is measured by the galvanic cell shown in the diagram of the instrument. The half-cell of the probe is usually a AgCl/Ag redox couple: AgCl + e– --> Ag + Cl– (1.0 M) E = +0.23 V Corrosion is said to be severe if the cell potential is measured at greater than 0.41 V. Under these conditions, what is the iron(II) concentration on the rebar? See Nernst Equation. Fe2+ + 2 e– --> Fe E = –0.44 V
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter24: Coulometry
Section: Chapter Questions
Problem 24.4QAP: Halide ions can he deposited at a silver anode, the reaction being Ag(s) + X- AgX(s) +e- Suppose...
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The extent of corrosion in the steel reinforcing rods (rebar) of concrete is measured by the galvanic cell shown in the diagram of the instrument. The half-cell of the probe is usually a AgCl/Ag redox couple:
AgCl + e– --> Ag + Cl– (1.0 M) E = +0.23 V
Corrosion is said to be severe if the cell potential is measured at greater than 0.41 V. Under these conditions, what is the iron(II) concentration on the rebar? See Nernst Equation.
Fe2+ + 2 e– --> Fe E = –0.44 V
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