Part II: Preparation of secondary standard solution of NaOH from solid NaOH pellets Theoretical concentration (in mol/L) of NaOH (before standardization). Table 2 Measured Mass of NaOH (g) Molar mass of NaOH (g/mol) Mole of NaOH (nNaOH) Volume (L) Calculated CNaOH (Theoretical) 1.17 g Part II: Preparation of secondary standard solution of NaOH from solid NaOH pellets Theoretical concentration (in mol/L) of NaOH (before standardization). Table 2 Measured Mass of NaOH (g) Molar mass of NaOH (g/mol) Mole of NaOH (nNaOH) Volume (L) Calculated CNaOH (Theoretical) 1.17 g