It takes 37.8 mL of 0.2114 M NaOH to neutralize 19.3 mL of an oxalic acid solution with an unknown concentration. Calculate the actual concentration of this oxalic acid solution. Don't forget to look at the balanced equation. CH3CO2H + NaOH → NaCH3CO2 + HOH
H2C2O4 + 2 NaOH → Na2C2O4 + 2 HOH