50 cm3 of 0.2 N HCl is titrated with a 0.1 N NaOH solution. The titration is discontinued after adding 50 cm3 of NaOH. The remaining titration is completed by adding 0.5 N KOH. The volume of KOH required to complete the titration is .........

Question

50 cm³ of 0.2 N HCl is titrated with a 0.1 N NaOH solution. The titration is discontinued after adding 50 cm³ of NaOH. The remaining titration is completed by adding 0.5 N KOH. The volume of KOH required to complete the titration is .........

10 cm³