Homework Help: Chem6

Posted by Ryan on Monday, May 2, 2011 at 11:40pm.

A solution contains naphthalene dissolved in hexane at a concentration of 10.40% naphthalene by mass. Calculate the vapor pressure of hexane above the solution, given that the vapor pressure of pure hexane at this temperature is 151 torr.

Chem6 - DrBob222, Monday, May 2, 2011 at 11:54pm
Convert 10.4% naphthalene in hexane to Xnaph and Xhexane.
Tben Phexane = Xhexane*P^ohexane.
Chem6 - Ryan, Tuesday, May 3, 2011 at 12:10am
how do i convert so? 10.4gNaphx1mol/128.18gNaphx86.2gHexane/1mol=6.99molHexane?

6.99mol*151torr=1056.08?

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