Homework Help: chemistry

Posted by mike on Sunday, June 10, 2012 at 11:53am.

if a solution contains 255mL of ethanol and 375 mL ofwater, what is the percent of ethanol in the soution

chemistry - DrBob222, Sunday, June 10, 2012 at 12:39pm
Assuming the the volumes are additive (they aren't) we have a total of 255 + 375 = 630 mL.
%v/v = (255/630)*100 = ?

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