State Kohlrausch law of independent migration of ions. Write an expression for the molar conductivity of acetic acid at infinite dilution according to Kohlrausch law.
`{:((b),"Calculate",:,wedge^(@)m" for acetic acid."),(,"Given that",:,wedge^(@)m(HCl)=426 " S " "cm"^(2)mol^(-1)),(,,,wedge^(@) m(NaCl)=126 " S " cm^(2) mol^(-1)),(,,,wedge^(@) m(CH_(3)COONa)=91 " S " cm^(2)mol^(-1)):}`

Explanation

### Step-by-Step Solution:

**Step 1: State Kohlrausch's Law of Independent Migration of Ions.**

Kohlrausch's Law states that at infinite dilution, the molar conductivity of an electrolyte is equal to the sum of the molar conductivities of its individual ions. This implies that each ion migrates independently towards the electrodes, and their contributions to the total conductivity can be added together.

**Step 2: Write the expression for the molar conductivity of acetic acid at infinite dilution.**

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