1.

Y g of non-volatile organic substance of molecular mass M is dissolved in 250 g benzene. Molal elevation constant of benzene is K_b. Elevation in its boiling point is given by:

Answer»

`M/(K_bY)`
`(4K_By)/(M)`
`(K_bY)/(4M)`
`(K_bY)/M`

ANSWER :B


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