The boiling point of a solution of 0.015...

The boiling point of a solution of `0.0150g` of a substance in `15.84g` of ether was found to be `100^(@)C`higher than that of pure ether.What is the molecular weight of the substance [Molecular elevation constant of ether per`100`

144.5

143.18

140.28

146.66

Text Solution

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The correct Answer is:

`m=(K_(b)xx wxx 1000)/(Delta T_(b)xx W)=143.18`

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