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The vapor pressure of an organic solvent is 50mmHg at 25 C and 200mmHg at 45...

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Chemistry

The vapor pressure of an organic solvent is 50mmHg at 25 C and200mmHg at 45 C. The solvent is
the only species in a closed flask at 35 C and is present in bothliquid and vapor states. The volume
of gas above the liquid is 150 mL.

a) Estimate the amount of the solvent (mol) contained in the gasphase.

b) What assumptions did you make? How would you answer change ifthe species dimerized (one molecule results from two molecules ofthe species combining?

Answer & Explanation Solved by verified expert
4.2 Ratings (809 Votes)
a Given at temperature T1 25 C 25273 298KVapor pressure P1 50 mmHgat temperature T2 45 C 45273 318 KVapor pressure P2 200 mmHgApplying the relationln P2 P1 Hvap R x1T1 1T2 ln P2    See Answer
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