CBSE Class 12-science Answered
The vapor pressure of benzene at certain temperature is 640mm Hg. To 39.08 of benzene, non-volatile and non-electrolyte solid-weighing 2.175g was added. The vapor pressure of solution was 600mm of Hg. Find the mass of the solute?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Po - Ps = Po x2
640-600= {640 x 2.175/ M}/ 39.0/ 78.0
40 = {1392/ M} x ½
40 = {696 / M}
M = 696/40 = 17.4g mol-1
Answered by | 04 Jun, 2014, 03:23: PM
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