The Na2CO3 used neutralizes carboxyl and lactone groups and NaHCO3 only neutralizes carboxyls. The basic group content was obtained from the amount of HCl that reacted with the carbon.
The Na2CO3 used neutralizes carboxyl andlactone groups and NaHCO3 only neutralizes carboxyls. The basicgroup content was obtained from the amount of HCl that reacted withthe carbon.