Which of the following is the effective concentration measured at the electrode head?
A. Selectivity co-efficient
B. Ionic strength
C. Activity
D. Activity co-efficient
Answer:C
Which of the following is the effective concentration measured at the electrode head?
A. Selectivity co-efficient B. Ionic strength C. Activity D. Activity co-efficient
Explanation: Activity is the effective concentration measured at the electrode head. Concentration is different from activity.