Practice question
Question
The resistance of a conductivity cell with 0.001 M KCl solution is 1500 Ω, and its conductivity is 0.146 × 10⁻³ S cm⁻¹. What is the cell constant?
Explanation
kappa = (cell constant/R) , 0.146 × 10⁻³ = (cell constant/1500) , cell constant = 0.219 cm⁻¹.