284г-------------------------------306г
C17H35COOH+NaOH=C17H35COONa+H2O
107г------------------------------115,4г
256г-------------------------------278г
C15H31COOH+NaOH=C15H31COONa+H2O
106г-------------------------------115,4г
107----------------------------0,6 w(C17H35COOH)=60%
-------------106,6------------
106----------------------------0,4 w(C15H31COOH)=40%