The molar conductivities Lambda(NaOAc)^@...

The molar conductivities `Lambda_(NaOAc)^@` and `Lambda_(HCI)^@` at infinite dilution is watter at `25^@C` are `91.0` and `426.2 S cm^@ //`mol respectively. To calculate `Lambda_(HOAc,)^2` the additional value required is:

A

`Lambda_(H_(2)O)^(@)`

B

`Lambda_(KCl)^(@)`

C

`Lambda_(NaOH)^(@)`

D

`Lambda_(NaCl)^(@)`

Text Solution

Verified by Experts

The correct Answer is:

D

According to Kohlrausch law :
`Lambda_(HOAc)^(@) = Lambda_(NaOAC)^(@) + Lambda_(HCl)^(@) - Lambda_(NaCl)^(@)`

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