1.

The molar ionic conductances at infinte dilution of Mg^(2+) and Cl^(-) are 106.1 and 76.3 ohm^(-1) cm^(2) solution of MgCl_(2) at infinite dilution will be

Answer»

`29.8 ohm^(-1) cm^(2) mol^(-1)`
`183.4 ohm^(-1) cm^(2) mol^(-1)`
`285. 7 ohm^(-1) cm^(2) mol^(-1)`
`258.7 ohm^(-1) cm^(2) mol^(-1)`

Solution :`Lambda_(MgCl_(2))^(@) = lambda_(Mg^(2+))^(@) + 2 lambda_(Cl^(-))^(@)`
`=106.1+ 2 xx 76.3`
`= 258.7 OMEGA^(-1) cm^(2) mol^(-1)`


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