20 mL of a solution containing 0.2 g of impure sample of H_(2)O_(2) reacts with 0.316 g of KMnO_(4) (acidic). Calculate : (a) Purity of H_(2)O_(2) (b) Volume of dry O_(2) evolved at 27^(@)C and 750 mm pressure.

20 mL of a solution containing 0.2 g of impure sample of H_(2)O_(2) re

1.	20 mL of a solution containing 0.2 g of impure sample of H_(2)O_(2) reacts with 0.316 g of KMnO_(4) (acidic). Calculate : (a) Purity of H_(2)O_(2) (b) Volume of dry O_(2) evolved at 27^(@)C and 750 mm pressure.
Answer» SOLUTION :N//A