1. Tardigrade
  2. Question
  3. Chemistry
  4. Assuming the formation of an ideal solution, determine the boiling point (in degree celsius) of a mixture containing 1560 g benzene (molar mass =78 ) and 1125 g chlorobenzene (molar mass =112.5 ) using the following against an external pressure of 1000 torr.

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Q. Assuming the formation of an ideal solution, determine the boiling point (in degree celsius) of a mixture containing $1560\, g$ benzene (molar mass $=78$ ) and $1125\, g$ chlorobenzene (molar mass $=112.5$ ) using the following against an external pressure of $1000$ torr.Chemistry Question Image

Solutions

Solution:

$20$ moles $C _{6} H _{6}, 10$ moles $C _{6} H _{5} Cl$
$\Rightarrow X _{ B }=\frac{2}{3}, X _{ C }=\frac{1}{3}$
at $t=100^{\circ} C \Rightarrow p _{ s }=300 \times \frac{1}{3}+1350 \times \frac{2}{3}$
$=100+900(=1000)$