In an experiment, 18.0 g of mannitol was...

In an experiment, 18.0 g of mannitol was dissolved in 100 water. The vapour pressure of solution at `20^(@)C` was 17.226 mm of mercury. Calculate the molecular mass of mannitol. The vapour pressure of water at `20^(@)C` is 17.535 mm of mercury.

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The correct Answer is:

Molecular mass of mannitol = 181.02]

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