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  •  A <img alt="\mathrm{mol ~ dm^{-3}}" src="https://entrancecorner.oncodecogs.com/gi

 A 8.0 \mathrm{~m} \mathrm{mol ~ dm^{-3}}  aqueous solution of  \mathrm{\mathrm{KCl}}  has a conductance of  \mathrm{0.88 \mathrm{~ms}}  when measured in cell constant  \mathrm{1.4 \mathrm{~cm}^{-1}} Calculate the molar conductivity of this sol.

Option: 1

18.2


Option: 2

15.4 


Option: 3

 13.6 


Option: 4

 12.8
 


Answers (1)

best_answer

\mathrm{ \lambda_m=\frac{1}{1000} \times \frac{K}{M} }
\mathrm{ \lambda_m=\frac{1}{1000} \times \frac{88 \times 1.4 \mathrm{\ mSm}^2}{\left(\frac{8}{1000}\right) \mathrm{mol}} }
\lambda_m=15.4.

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Rakesh

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