0.2 g if a sample of `H_2 O_2` required 10 ml of 1 N `KMnO_4` for titration in acidic medium. The percentage purity of `H_2 O_2` sample is:

0.2 g of a sample of H_(2)O_(2) required 10 mL of 1 N KMnO_(4) in a titration in the presence of H_(2)SO_(4) Purity of H_(2)O_(2) is :

0.2 g of a sample of H_(2)O_(2) required 10 mL of 1 N KMnO_(4) in a titration in the presence of H_(2)SO_(4) Purity of H_(2)O_(2) is :

3.92 g of a sample of Mohr's salt (ferrous ammonium sulphate, Mol. wt.-392) reacts completely with 50 ml of N/10 KMnO_4 solution in an acidic medium. The percentage purity of the sample is

10 g sample of H_(2)O_(2) just decolorised 100 ml of 0.1 M KMnO_(4) in acidic medium % by mass of H_(2)O_(2) in the sample is

10 g sample of H_(2)O_(2) just decolorised 100 ml of 0.1 M KMnO_(4) in acidic medium % by mass of H_(2)O_(2) in the sample is

The purity of H_(2)O_(2) in a given sample is 85%. The weight of impure sample of H_(2)O_(2) which required 10 ml of M//5 KMnO_(4) solution in a titration in acidic medium is 0.1 x. Find x?

A solution of 0.4 g sample of H_(2)O_(2) reacted with 0.632 g of KMnO_(4) in presence of sulphuric acid. The percentage purity of the sample of H_(2)O_(2) is :