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When Iodobenzene  (b.p. 188.5 oC) codistills with water at 760 torr, the boiling point of the...

When Iodobenzene  (b.p. 188.5 oC) codistills with water at 760 torr, the boiling point of the mixture is 98.5 oC.  The vapor pressure of water at 98.5 oC is 714 torr.


What is the partial pressure of iodobenzen at 98.5oC?


Calculate the weight of the iodobezene that codistills with each gram of water at 98.5 0C.


Calculate the weight of water needed to codistill 1.5 g idobenzene using steam distillation. 


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