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The equivalent conductances of two stro...

The equivalent conductances of two strong electrolytes at infinite dilution in `H_(2)O` (where ions move freely through a solution) at `25^(@)C` are given below :
`Lambda_(CH_(3)COONa)^(@) = 91.0 S cm^(2)//"equi v"`.
`Lambda_(HCl)^(@) = 426.2 S cm^(2)//"equiv"`. What additional information//quantity one need to calculate `Lambda^(@)` of an aqueous solution of acetic acid ?

A

`Lambda_(o)` of chloroacetic acid `(ClCH_2COOH)`

B

`Lambda^(o) "of" NaCl`

C

`Lambda^(o) "of" CH_(3)COOK`

D

The limiting equivalent conductance of `H^(+)(lambda_(H+)^(o))`

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The correct Answer is:
B
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The equivalent conductances of two strong electrolytes at infinite dilution in H_2 O (where ions move freely through a solution) at 25^@C are given below: Lambda_(CH_3COOH)^@ = 91.0 S cm^@// equiv Lambda_(HCI)^@ =42.2 S cm^2// equiv What additional information // quantity one needs to calculate Lambda^@ of an aqueous solution of acetic actid ?

The equivalent conductance of two strong electrolytes at infinite dilution in H_(2)O (where ions move freely through a solution) at 25^(@)C are given below: A_(CH_(3)COONa)^(@)=91.0S cm^(2)//"equiv" A_(HCl)^(@)=426.25cm^(2)//"equiv" What additional information/quantity one needs to calculate A^(@) of an aqueous solution of acetic acid?

The equivalent conductances of two strong electrolytes at infinite dilution in H2O (where ions move freely through a solution) at 25^(@)C are given below: wedge_(CH_(3)COONa^(@) = 91.0Scm^(2)//equ iv , wedge_HCl^(@)= 426.25cm^(2)//equiv What additional information/quantity one needs to calculate overset(o)(wedge) of an aqueous solution of acetic acid?

The equivalent conductances of CH_(3)COONa, HCI "and" NaCI at infinit e dilution are 91,426 an 126 S cm^(2) eq^(-1) respecitvely at 25^(2)C The equivalent consductance of 1 M CH_(3)CIIH solution is 19.55 S cm^(2) eq^(-1) The pH of solution is (pK_(a)=4.74)

Calculate K_(a) of acetic acid it its 0.05N solution has equivalent conductances of 7.36 mho cm^(2) at 25^(@)C (lambda_(CH_(3)COOH)^(oo) = 390.70)

Calculate the molar conductivity of a solution of MgCl_(2) at infinte dilution given that the molar ionic conductivities of lambda^(@) (Mg^(2+)) = 106.1 S cm^(2) mol^(-1) and lambda^(@) (Cl^(-)) = 76.3 S cm^(2) mol^(-1)

The molar conductance of acetic acid at infinite dilution if Lambda^@ for CH_3 COONa,NACI and HCI are 91.0, 126.5 and 426.2 S cm^2 "mol"^(-1) respectively is :

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