Q 1175780666.     A solution prepared by dissolving `1.25` g of oil of winter green (methyl salicylate) in `99.0 g` of benzene has a boiling point of `80.31 °C`. Determine the molar mass of this compound. (B.P. of pure benzene `= 80.10` °C and `K_b` for benzene = `2.53` °C kg `mol^-1`)

A

`150.321 g`

B

`152.116 g`

C

None of these

D

`155.258 g`

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