CBSE Class 12 Chemistry 2013 Solved Paper

© examsnet.com
Question : 10
Total: 30
The conductivity of 0.20M solution of KCl at 298K is 0.025Scm1, Calculate its molar conductivity.
Solution:  
Conductivity =0.025Scm1
molarity, M=0.20M
T=298K
Tm=?
molar conductivity =?
Tm=
κ×1000
C

=
0.025×1000Scm1
0.20molcm3

=
25
0.20

=125 S cm2mol1
© examsnet.com
Go to Question: