Example: A steel coupon with an anode surface area of 1000 cm? is placed in an electrolyte. The corrosion current is measured to be 1 mA. What mass of steel will be lost in 6 hours? What is the corrosion rate in ug /cm2/day? In mpy? Assume valence of 2, atomic weight 55.847 g and p 7.20 x 10°ug/cm3. %3D I = 0.001 mA

Chemistry: The Molecular Science
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Author:John W. Moore, Conrad L. Stanitski
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Chapter17: Electrochemistry And Its Applications
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Problem 89QRT: You wish to electroplate a copper surface having an area of 1200 mm2 with a 1.0-m-thick coating of...
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Example: A steel coupon with an anode surface area of 1000 cm? is placed in an
electrolyte. The corrosion current is measured to be 1 mA. What mass of steel will be lost
in 6 hours? What is the corrosion rate in ug /cm/day? In mpy? Assume valence of 2, atomic
weight = 55.847 g and p 7.20 x 106ug/cm3.
I = 0.001 mA
Transcribed Image Text:Example: A steel coupon with an anode surface area of 1000 cm? is placed in an electrolyte. The corrosion current is measured to be 1 mA. What mass of steel will be lost in 6 hours? What is the corrosion rate in ug /cm/day? In mpy? Assume valence of 2, atomic weight = 55.847 g and p 7.20 x 106ug/cm3. I = 0.001 mA
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