The vapour pressure of pure benzene at a certain temperture is 0 85 bar A non volatile non electrolyte - Chemistry - Solutions

Question

The vapour pressure of pure benzene at a certain temperture is 0 85
bar A non volatile non electrolyte solid weighing 0 5 gm is added
to 39 g of benzene ( olar mass 78 g/mol) the vapour pressure of
thesolution is then 0 845 bar what is the molecular mass of the
solid substance?

Akanksha Jain · Accepted Answer

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The vapour pressure of pure benzene at a certain temperture is 0.85 bar. A non volatile non electrolyte solid weighing 0.5 gm is added to 39 g of benzene ( olar mass 78 g/mol). the vapour pressure of thesolution is then 0.845 bar. what is the molecular mass of the solid substance?