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Chemistry Question on Electrochemistry

At 18∘18^{\circ}C, the conductance of H+H^+ and CH3COO−CH_3COO^- at infinite dilution are 315315 and 35 mho cm2 eq−135\, mho\, cm^ 2\, eq^{-1} respectively. The equivalent conductivity of CH3COOHCH_3COOH at infinite dilution is _____ mho cm2 eq−1mho\,cm^ 2\,eq^{-1}

A

350

B

280

C

30

D

315

Answer

350

Explanation

Solution

ΛCH3COOH∞=λH+∞+λCH3COO−0\Lambda_{ CH _{3} COOH }^{\infty} =\lambda_{ H ^{+}}^{\infty}+\lambda_{ CH _{3} COO ^{-}}^{0} =(35+315)mho cm2equ−1=(35+315) mho \,cm ^{2} equ ^{-1} =350 mho cm2equ−1=350\, mho\, cm ^{2} equ ^{-1}