JEE Mains Model Paper 3

Question : 72 of 90

Marks: +1, -0

12.825 gm of a sample of Ba(OH)2 is dissolved in 10 ml of 0.5N HCl solution. Theexcess of HCl was titrated with 0.2 N NaOH. The volume of NaOH used was 10 cc.The percentage of Ba(OH)2 in the sample is