Question

The resistance of a column having diameter 1.0 cm and the length 50 cm containing solution

of 0.05 mol L1- NaOH is 5.55 X 103 ohm, then calculate its resistivity, conductivity and molar

conductivity.​

Answer 1

Answer:

A=πr

2

=3.14×(0.5)

2

=0.785cm

2

,l=50cm

R=

A

ρl

ρ=

l

AR

=

50

5.55×10

−3

×0.785

ρ=87.18 Ωcm

Conductivity, K=

ρ

l

=0.01147Scm

−1

Molar Conductivity =

C

1000×K

=

0.05

0.01147×1000

Λ

m

=229.4 Scm

2

mol

−1

Molar conductivity, Λ

m

=229.4 Scm

2

mol

−1

Answer 2

Answer:

this is the required answer