5. Construct the galvanic cell for the following reactions and write the expression for cell potential: a. 2Cr(s) + 3Hg₂Cl₂ (s) ⇒ 2Cr³+ (aq) + 6Cl¯ (aq) + 6Hg(1) b. Fe (s) + Cl₂ (g) = FeCl₂ (aq) (Answer)

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