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What will be the molar conductivity of Al 3+ ions at infinite dilution if molar conductivity of `Al_(2) (SO_(4))_(3)` is 858 S `cm^(2)` `"mol" ^(-1)` and ionic conductance of `SO_(4)^(2-)` is 160 S `cm^(2) "mol" ^(-1)` at infinite dilution ?

A

`189 S cm ^(2) mol^(-1)`

B

`698 Scm ^(2) mol ^(-1)`

C

`1018Scm ^(2) mol ^(-1)`

D

`429 Scm ^(2) mol ^(-1)`

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A
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