In a galvanic setup with a liquid junction potential, Ejunction is described by an expression involving z1 and the ratio of activities. What does z1 represent?

In a galvanic setup with a liquid junction potential, Ejunction is described by an expression involving z1 and the ratio of activities. What does z1 represent?

• A. The charge on the species that can cross the barrier
• B. The total charge on all ions in solution
• C. The charge of the barrier itself
• D. The temperature of solution

Answer: (A)