Q.

A conductance cell was filled with a 0.02 M KCI solution which has a specific conductance of 2.768 x 10-3 ohm-1 cm-1.If its resistance is 82.4 ohm at 25oC, the cell constant is:

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a

0.2182 cm-1

b

0.2281 cm-1

c

0.2821 cm-1

d

0.2381 cm-1

answer is B.

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Detailed Solution

R=ρlA82.4=12.768×103lAlA=0.2281
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A conductance cell was filled with a 0.02 M KCI solution which has a specific conductance of 2.768 x 10-3 ohm-1 cm-1.If its resistance is 82.4 ohm at 25oC, the cell constant is: