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April 19, 2014

Homework Help: Chemistry

Posted by Amy on Friday, February 1, 2008 at 8:37pm.

I saw that this was posted earlier but i can't find the previous one with the answer. Please Help. I don't understand how to make this equation work

The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. The pressure of the air in the flask at 257C is 762 mm Hg. If the flask is immersed in a water bath at 450C, the total pressure is 980 mm Hg. The vapor pressure of ethanol at the new temperature is ??? mm Hg.

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