+ 3
1
4
5 | 8
3
4
es
104
2
2
O
266
Answers
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Answer:
Solution
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Kohlraush law states that molar conductivity of an electrolyte at infinite dilution is the sum of the molar conductivities of it's ions at infinite dilution.
Thus, λ
0
=λ
+
0
+ λ
−
0
For CaCl
2
,
λ
0
=λ
Ca
+2
0
+ 2λ
Cl
−
0
=271.6Scm
2
mol
−1
For MgSO
4
λ
0
=λ
Mg
+2
0
+ λ
SO
4
−2
0
=266Scm
2
mol
−1
The correct answer is 266Scm
2
mol
−1
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