The boiling point of a solution of 0.11 ...

The boiling point of a solution of 0.11 of a substance in 15g of ether was found to be `0.1^(@)C` higher than that of pure ether. The molecular weight of the substance will be `(K_(b)=2.16)` :

`148 g mol ^(-1)`

`158 g mol ^(-1)`

`168 g mol ^(-1)`

`178 g mol ^(-1)`

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