The vapour pressure of a dilute aqueous solution of glucose is $750\,\mathrm{mm\,Hg}$ at $373\,\mathrm{K}$. Calculate the mole fraction of solute. (The vapour pressure of pure water is $760\,\mathrm{mm\,Hg}$ at $373\,\mathrm{K}$)
- A$0.013$
- B$1.3$
- C$0.13$
- D$1.1$
✓ Correct answer: A
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