At \( 100^{\circ} \mathrm{C} \), the vapour pressure of a solution of \( 6.5 \mathrm{~g} \) of a...

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At \( 100^{\circ} \mathrm{C} \), the vapour pressure of a solution of \( 6.5 \mathrm{~g} \) of a solute in \( 100 \mathrm{~g} \) water is \( 732 \mathrm{~mm} \). If \( \mathrm{K}_{\mathrm{b}}=0.52 \), the boiling point of this solution will be:
a. \( 103^{\circ} \mathrm{C} \)
b. \( 101^{\circ} \mathrm{C} \)
c. \( 100^{\circ} \mathrm{C} \)
d. \( 102^{\circ} \mathrm{C} \)
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