39. A galvanic cell is constructed under standard conditions using cobalt in cobalt(II) nitrate solution and indium in i

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39 A Galvanic Cell Is Constructed Under Standard Conditions Using Cobalt In Cobalt Ii Nitrate Solution And Indium In I 1 (98.99 KiB) Viewed 70 times

39. A galvanic cell is constructed under standard conditions using cobalt in cobalt(II) nitrate solution and indium in indium(III) nitrate solution. Which statements about this cell are correct? Half-reaction Co2+(aq) + 2e → Co(s) In3+(aq) + 3€ → In(s) Eº, V -0.28 2+ -0.34 I. II. The standard cell potential is 0.46 V. Indium is the anode. (B) II only (A) I only (C) Both I and II (D) Neither I nor II 40. Molten sodium chloride is electrolyzed for 10.0 minutes with a constant current of 10.0 A. What mass of sodium metal is produced? (A) 1.43 g (B) 2.20 g (C) 3.63 g (D) 4.41 g