Problem: What is the ratio of products to reactants for a dead battery in a NaAl cell?1) about 10532) 533) about 101064) about 10-106

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We are asked to calculate for the ratio of products to reactants for a dead battery in a NaAl cell


Recall that the Nernst Equation relates the concentrations of compounds and cell potential.

Ecell=E°cell-(0.05916 Vn) log Q

Ecell = cell potential under non-standard conditions
cell = standard cell potential
n = mole e- transferred
Q = reaction quotient = products/reactants


We're going to calculate for the Ecell using the following steps:

Step 1: Identify the anode and the cathode in the reaction
Step 2: 
Calculate the cell potential of the reaction.
Step 3: 
Calculate the ratio of products to reactants using the Nernst Equation.

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Problem Details

What is the ratio of products to reactants for a dead battery in a NaAl cell?

1) about 1053

2) 53

3) about 10106

4) about 10-106

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