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August 23, 2014

Homework Help: Chemistry

Posted by Dewey on Saturday, April 16, 2011 at 8:50pm.

Acetylene (C2H2) and hydrogen fluoride (HF) react to give difluoroethane:
C2H2+2HF->C2H4F2
When 2.3 mol of C2H2 and 12 mol HF are reacted in a 15.4 L flask, what will be the pressure in the flask at 13C when the reaction is complete?

I know I'm supposed to find the limiting reagent, and use the formula PV=nRT; but I'm not clear on how to find the limiting reagent yet.

PLEASE HELP!!!

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