A solution of propanol is prepared by dissolving 67mL in enough water to have a final volume of 250mL. What is the percent by volume of the ethanol?
%volume of ethanol = volumeofethanolfinalvolume\frac{volume of ethanol}{final volume}finalvolumevolumeofethanol ×100
% volume = 67mL250mL\frac{67mL}{250mL}250mL67mL ×100 = 26.8%
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