(a)
Interpretation:
The loss of zinc per hour in iron−zinc corrosion cell should be determined when surface area of zinc and iron are 10 cm2 and 100 cm2 respectively.
Concept Introduction:
According to Faraday's law, weight loss is calculated as,
Where
I = current
T = time duration
M = Atomic mass of metal.
n = charge onions.
f = Faraday's constant.
(b)
Interpretation:
The loss of zinc per hour in iron−zinc corrosion cell should be determined when surface area of zinc and iron are 100 cm2 and 10 cm2 respectively.
Concept Introduction:
According to Faraday's law, weight loss is calculated as,
where
I = current
T = time duration
M = Atomic mass of metal.
n = charge icons.
f = Faraday's constant.
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