gammagirl Posted October 31, 2017 Share Posted October 31, 2017 I used 3 mL of 95% ethanol? 3mL x 0.789/ml x mol/46.068 g = 0.0513gm OR 95gm/100ml =x/3ml, x= 2.85 gm ethanol x mol/46.068 g= 0.06187 gm Link to comment Share on other sites More sharing options...
hypervalent_iodine Posted November 1, 2017 Share Posted November 1, 2017 Neither. I believe that the 95% is v/v% not w/v. The density value you have is of absolute ethanol also, not 95%. Link to comment Share on other sites More sharing options...
gammagirl Posted November 1, 2017 Author Share Posted November 1, 2017 Both are good points. Thank-you Link to comment Share on other sites More sharing options...
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