Fatty Acid Monolayer

Instructions

Use this page to check whether you have carried out the calculation of Avogadro's Number correctly. This page does not tell you if your value of Avogadro's Number is correct; it only tells you whether the value you calculated is consistent with the data you collected. Enter your data as indicated below, paying special attention to the indicated units. Then, select "Check Calculation". You will be told how close your calculated value is to the value calculated by the computer.


Drops hexane counted into weighing bottle:  drops
        Mass of hexane in weighing bottle:  g
                   Diameter of watchglass:  cm
       Drops soln. used to form monolayer:  drops
   Concentration of stearic acid solution:  g/mL
    Your calculated value of Avogadro's #:  molecules/mol

University of Oregon, Chemistry Teaching Laboratories
Script written and maintained by: Dr. Christopher Grant [send email]
Last Update: Thursday, 2 October 1997