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Vascular Tissue System

20.Define cel...

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20.Define cell constant with respect to conductivity and give relationship of this with resistance and conductivity

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Q. A conductivity cell filled with

0.1 M K C l

25^{o} C

a resistance of

85.5

ohms. The conductivity of same cell filled with

0.005 M H C l

gives a resistance of

529

ohms. What is the molar conductivity of

H C l

25^{o} C

Q. (A) Define the following terms:
(i) Limiting molar conductivity
(ii) Fuel cell
(B) Resistance of a conductivity cell filled with

0.1 m o l L^{- 1} K C l

100 Ω

. If the resistance of the same cell when filled with

0.02 m o l L^{- 1} K C l

540 Ω

, calculate the conductivity and molar conductivity of

0.02 m o l L^{- 1} K C l

solution. The conductivity of

0.1 m o l L^{- 1} K C l

1.29 \times 10^{- 2} Ω^{- 1} {c m}^{- 1}

Q. A conductivity cell filled with

0.02 M A g N O_{3}

25^{o} C

a resistance of 947 ohms. If the cells constant is

2.3 c m^{- 1}

. What is the molar conductivity of

0.02 M A g N O_{3}

25^{o} C

?

Q. A conductivity cell filled with

0.01 M A g N O_{3}

solution gives at

25^{o} C

a resistance of

1442 Ω

. If the molar conductivity of

0.01 M A g N O_{3}

124.8 Ω^{- 1} c m^{2} m o l^{- 1}

, what is the cell constant?

Q. The specific conductivity of

N / 10 K C l

20^{\circ} C

0.0212 o h m^{- 1} c m^{- 1}

and the resistance of the cell containing this solution at

20^{\circ} C

55 o h m

. The cell constant is:

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