`0.56 g` of lime stone was treated with oxalic acid to give `CaC_(2)O_(4)`. The precipitate decolorized `45 ml` of `0.2N KMnO_(4)` in acid medium. Calculate `%` of `CaO` in lime stone.

0.56 g of limestone was treated with oxalic acid to give CaC_2O_4 . The precipitate decolorized 45 ml of 0.2 N KMnO_4 in acid medium. Calculate % of CaO in limestone.

0.56 g of limestrone was treated with oxalic acid to give CaC_(2)O_(4) . The precipitate decolourised 50 " mL of " (M)/(25) KMnO_(4) in acidic medium. Calculate percentage of CaO in limestone.

0.56 g of limestrone was treated with oxalic acid to give CaC_(2)O_(4) . The precipitate decolourised 50 " mL of " (M)/(25) KMnO_(4) in acidic medium. Calculate percentage of CaO in limestone.

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 number of moles of H_(2)O_(2) required to completely react with 400 ml of 0.5 N KMnO_(4) in acidic medium are

The weight of oxalic acid required to reduce 80 ml of 0.4 M KMnO_(4) in acidic medium is

The weight of oxalic acid required to reduce 80 ml of 0.4 M KMnO_(4) in acidic medium is

Calculate the volume of 10 volume H_(2)O_(2) solution that will react with 200 mL of 2N KMnO_(4) in acidic medium.