In a concentration cell, if the concentration of the anode is 0.1 M and the cath

Practice Questions

Q1
In a concentration cell, if the concentration of the anode is 0.1 M and the cathode is 1 M, what is the cell potential at 25°C?
  1. 0.059 V
  2. 0.118 V
  3. 0.059 log(10)
  4. 0.118 log(10)

Questions & Step-by-Step Solutions

In a concentration cell, if the concentration of the anode is 0.1 M and the cathode is 1 M, what is the cell potential at 25°C?
  • Step 1: Identify the concentrations of the anode and cathode. The anode concentration is 0.1 M and the cathode concentration is 1 M.
  • Step 2: Determine the number of electrons transferred in the reaction. For this example, we will assume n = 2.
  • Step 3: Use the formula for cell potential: E = (0.059 V/n) * log([Cathode]/[Anode]).
  • Step 4: Substitute the values into the formula: E = (0.059 V/2) * log(1/0.1).
  • Step 5: Calculate log(1/0.1). Since 1/0.1 = 10, log(10) = 1.
  • Step 6: Now substitute log(10) back into the equation: E = (0.059 V/2) * 1.
  • Step 7: Calculate (0.059 V/2) which equals 0.0295 V.
  • Step 8: Therefore, the cell potential E = 0.0295 V.
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