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Write the cell reaction and calculate th...

Write the cell reaction and calculate the e.m.f. of the following cell at 298 K :
Sn(s) `|Sn^(2+) (0.004M)||H^(+) (0.020M) |H_(2)(g)` (1 bar )| Pt(s)
(Given `E_(Sn^(2+)//Sn)^(@) = -0.14V`).

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To solve the problem, we will follow these steps: ### Step 1: Identify the half-reactions In the given cell: - The anode reaction (oxidation) involves tin (Sn) being oxidized to tin ions (Sn²⁺). - The cathode reaction (reduction) involves hydrogen ions (H⁺) being reduced to hydrogen gas (H₂). **Anode Reaction:** ...
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