Practice question

MCQ

Question

The resistance of a conductivity cell with 0.01 M NaCl solution is 250 Ω, and its conductivity is 0.0012 S cm⁻¹. What is the cell constant?

Options

Choose one · Correct answer highlighted

0.12 cm⁻¹ 1.2 cm⁻¹ 0.3 cm⁻¹ Correct 3.0 cm⁻¹

Explanation

kappa = (cell constant/R) , 0.0012 = (cell constant/250) , cell constant = 0.3 cm⁻¹ .

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