A battery is constructed based on the oxidation of magnesium and the reduction of cu2+. the initial concentrations of mg2 + and cu2 + are 1.2*10-4 m and 1.44 m, respectively, in 1.0-liter half-cells. how long can the battery deliver 5.33 a before going dead?

Question

Chemistry

Carly Mcknight

7 April, 13:01

A battery is constructed based on the oxidation of magnesium and the reduction of cu2+. the initial concentrations of mg2 + and cu2 + are 1.2*10-4 m and 1.44 m, respectively, in 1.0-liter half-cells. how long can the battery deliver 5.33 a before going dead?

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Answers (1)

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Jaxon Andrews · Answer 1

14.48 hrs

Explanation:

Considering what is given;

Let Cu^2 + be the limiting reagent.

1.44*2*1 = 2.88 mol of Cu^2+

Q = 2.88*96500 = 277920C

I = 277920/5.33 = 52142.58912 secs or 14.48 hrs