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Electrochemistry

Question

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How many Faradays of electricity are required to liberate 2 moles of hydrogen gas in electrolysis of solution?

Solution

Answer:

H₂(g) → 2 H⁺(aq) + 2 e^-

1 mol e^- = 96500 C
thus
2 Faradays of electricity are required to liberate 2 moles of hydrogen gas.

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