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Chemistry
The molar conductivities of KCl, NaCl and KNO3 are 152, 128 and 111 S cm2 mol-1 respectively. What is the molar conductivity of NaNO3?
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Q. The molar conductivities of $KCl, NaCl$ and $KNO_3$ are $152, 128 $ and $111\, S\,cm^2\, mol^{-1}$ respectively. What is the molar conductivity of $NaNO_3$?
VITEEE
VITEEE 2008
A
$101\, S\, cm^2\, mol^{-1}$
B
$87\, S\, cm^2\, mol^{-1}$
C
$-101\, S\, cm^2\, mol^{-1}$
D
$-391\, S\, cm^2\, mol^{-1}$
Solution:
difference = $24\, S\,cm^2\, mol^{ -1}$
Molar conductivities of $KNO-3 = 111$
Molar conductivities of $NaNO_3$
$=111 -24= 87 \, S\, cm ^2 \, mpl ^{-1}$
